55888820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4999}}^1$

素因数の和:5064

約数の個数: 48

約数和(自身を含む): 129360000

約数和(自身を除く): 73471180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 4999, 5590, 9998, 11180, 19996, 24995, 49990, 64987, 99980, 129974, 214957, 259948, 324935, 429914, 649870, 859828, 1074785, 1299740, 2149570, 2794441, 4299140, 5588882, 11177764, 13972205, 27944410, 55888820]

約数ペア:

[(1, 55888820), (2, 27944410), (4, 13972205), (5, 11177764), (10, 5588882), (13, 4299140), (20, 2794441), (26, 2149570), (43, 1299740), (52, 1074785), (65, 859828), (86, 649870), (130, 429914), (172, 324935), (215, 259948), (260, 214957), (430, 129974), (559, 99980), (860, 64987), (1118, 49990), (2236, 24995), (2795, 19996), (4999, 11180), (5590, 9998)]