2975440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2861}}^1$

素因数の和:2887

約数の個数: 40

約数和(自身を含む): 7452648

約数和(自身を除く): 4477208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2861, 5722, 11444, 14305, 22888, 28610, 37193, 45776, 57220, 74386, 114440, 148772, 185965, 228880, 297544, 371930, 595088, 743860, 1487720, 2975440]

約数ペア:

[(1, 2975440), (2, 1487720), (4, 743860), (5, 595088), (8, 371930), (10, 297544), (13, 228880), (16, 185965), (20, 148772), (26, 114440), (40, 74386), (52, 57220), (65, 45776), (80, 37193), (104, 28610), (130, 22888), (208, 14305), (260, 11444), (520, 5722), (1040, 2861)]