74735440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71861}}^1$

素因数の和:71887

約数の個数: 40

約数和(自身を含む): 187128648

約数和(自身を除く): 112393208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 71861, 143722, 287444, 359305, 574888, 718610, 934193, 1149776, 1437220, 1868386, 2874440, 3736772, 4670965, 5748880, 7473544, 9341930, 14947088, 18683860, 37367720, 74735440]

約数ペア:

[(1, 74735440), (2, 37367720), (4, 18683860), (5, 14947088), (8, 9341930), (10, 7473544), (13, 5748880), (16, 4670965), (20, 3736772), (26, 2874440), (40, 1868386), (52, 1437220), (65, 1149776), (80, 934193), (104, 718610), (130, 574888), (208, 359305), (260, 287444), (520, 143722), (1040, 71861)]