28793440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:264

約数の個数: 96

約数和(自身を含む): 74511360

約数和(自身を除く): 45717920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 109, 127, 130, 160, 208, 218, 254, 260, 416, 436, 508, 520, 545, 635, 872, 1016, 1040, 1090, 1270, 1417, 1651, 1744, 2032, 2080, 2180, 2540, 2834, 3302, 3488, 4064, 4360, 5080, 5668, 6604, 7085, 8255, 8720, 10160, 11336, 13208, 13843, 14170, 16510, 17440, 20320, 22672, 26416, 27686, 28340, 33020, 45344, 52832, 55372, 56680, 66040, 69215, 110744, 113360, 132080, 138430, 179959, 221488, 226720, 264160, 276860, 359918, 442976, 553720, 719836, 899795, 1107440, 1439672, 1799590, 2214880, 2879344, 3599180, 5758688, 7198360, 14396720, 28793440]

約数ペア:

[(1, 28793440), (2, 14396720), (4, 7198360), (5, 5758688), (8, 3599180), (10, 2879344), (13, 2214880), (16, 1799590), (20, 1439672), (26, 1107440), (32, 899795), (40, 719836), (52, 553720), (65, 442976), (80, 359918), (104, 276860), (109, 264160), (127, 226720), (130, 221488), (160, 179959), (208, 138430), (218, 132080), (254, 113360), (260, 110744), (416, 69215), (436, 66040), (508, 56680), (520, 55372), (545, 52832), (635, 45344), (872, 33020), (1016, 28340), (1040, 27686), (1090, 26416), (1270, 22672), (1417, 20320), (1651, 17440), (1744, 16510), (2032, 14170), (2080, 13843), (2180, 13208), (2540, 11336), (2834, 10160), (3302, 8720), (3488, 8255), (4064, 7085), (4360, 6604), (5080, 5668)]