55523728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:240

約数の個数: 80

約数和(自身を含む): 122214400

約数和(自身を除く): 66690672

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 79, 104, 109, 124, 158, 208, 218, 248, 316, 403, 436, 496, 632, 806, 872, 1027, 1264, 1417, 1612, 1744, 2054, 2449, 2834, 3224, 3379, 4108, 4898, 5668, 6448, 6758, 8216, 8611, 9796, 11336, 13516, 16432, 17222, 19592, 22672, 27032, 31837, 34444, 39184, 43927, 54064, 63674, 68888, 87854, 111943, 127348, 137776, 175708, 223886, 254696, 266941, 351416, 447772, 509392, 533882, 702832, 895544, 1067764, 1791088, 2135528, 3470233, 4271056, 6940466, 13880932, 27761864, 55523728]

約数ペア:

[(1, 55523728), (2, 27761864), (4, 13880932), (8, 6940466), (13, 4271056), (16, 3470233), (26, 2135528), (31, 1791088), (52, 1067764), (62, 895544), (79, 702832), (104, 533882), (109, 509392), (124, 447772), (158, 351416), (208, 266941), (218, 254696), (248, 223886), (316, 175708), (403, 137776), (436, 127348), (496, 111943), (632, 87854), (806, 68888), (872, 63674), (1027, 54064), (1264, 43927), (1417, 39184), (1612, 34444), (1744, 31837), (2054, 27032), (2449, 22672), (2834, 19592), (3224, 17222), (3379, 16432), (4108, 13516), (4898, 11336), (5668, 9796), (6448, 8611), (6758, 8216)]