80825680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:189

約数の個数: 160

約数和(自身を含む): 219985920

約数和(自身を除く): 139160240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 31, 40, 46, 52, 62, 65, 80, 92, 104, 109, 115, 124, 130, 155, 184, 208, 218, 230, 248, 260, 299, 310, 368, 403, 436, 460, 496, 520, 545, 598, 620, 713, 806, 872, 920, 1040, 1090, 1196, 1240, 1417, 1426, 1495, 1612, 1744, 1840, 2015, 2180, 2392, 2480, 2507, 2834, 2852, 2990, 3224, 3379, 3565, 4030, 4360, 4784, 5014, 5668, 5704, 5980, 6448, 6758, 7085, 7130, 8060, 8720, 9269, 10028, 11336, 11408, 11960, 12535, 13516, 14170, 14260, 16120, 16895, 18538, 20056, 22672, 23920, 25070, 27032, 28340, 28520, 32240, 32591, 33790, 37076, 40112, 43927, 46345, 50140, 54064, 56680, 57040, 65182, 67580, 74152, 77717, 87854, 92690, 100280, 113360, 130364, 135160, 148304, 155434, 162955, 175708, 185380, 200560, 219635, 260728, 270320, 310868, 325910, 351416, 370760, 388585, 439270, 521456, 621736, 651820, 702832, 741520, 777170, 878540, 1010321, 1243472, 1303640, 1554340, 1757080, 2020642, 2607280, 3108680, 3514160, 4041284, 5051605, 6217360, 8082568, 10103210, 16165136, 20206420, 40412840, 80825680]

約数ペア:

[(1, 80825680), (2, 40412840), (4, 20206420), (5, 16165136), (8, 10103210), (10, 8082568), (13, 6217360), (16, 5051605), (20, 4041284), (23, 3514160), (26, 3108680), (31, 2607280), (40, 2020642), (46, 1757080), (52, 1554340), (62, 1303640), (65, 1243472), (80, 1010321), (92, 878540), (104, 777170), (109, 741520), (115, 702832), (124, 651820), (130, 621736), (155, 521456), (184, 439270), (208, 388585), (218, 370760), (230, 351416), (248, 325910), (260, 310868), (299, 270320), (310, 260728), (368, 219635), (403, 200560), (436, 185380), (460, 175708), (496, 162955), (520, 155434), (545, 148304), (598, 135160), (620, 130364), (713, 113360), (806, 100280), (872, 92690), (920, 87854), (1040, 77717), (1090, 74152), (1196, 67580), (1240, 65182), (1417, 57040), (1426, 56680), (1495, 54064), (1612, 50140), (1744, 46345), (1840, 43927), (2015, 40112), (2180, 37076), (2392, 33790), (2480, 32591), (2507, 32240), (2834, 28520), (2852, 28340), (2990, 27032), (3224, 25070), (3379, 23920), (3565, 22672), (4030, 20056), (4360, 18538), (4784, 16895), (5014, 16120), (5668, 14260), (5704, 14170), (5980, 13516), (6448, 12535), (6758, 11960), (7085, 11408), (7130, 11336), (8060, 10028), (8720, 9269)]