220128040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{45481}}^1$

素因数の和:45514

約数の個数: 48

約数和(自身を含む): 544419540

約数和(自身を除く): 324291500

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 45481, 90962, 181924, 227405, 363848, 454810, 500291, 909620, 1000582, 1819240, 2001164, 2501455, 4002328, 5002910, 5503201, 10005820, 11006402, 20011640, 22012804, 27516005, 44025608, 55032010, 110064020, 220128040]

約数ペア:

[(1, 220128040), (2, 110064020), (4, 55032010), (5, 44025608), (8, 27516005), (10, 22012804), (11, 20011640), (20, 11006402), (22, 10005820), (40, 5503201), (44, 5002910), (55, 4002328), (88, 2501455), (110, 2001164), (121, 1819240), (220, 1000582), (242, 909620), (440, 500291), (484, 454810), (605, 363848), (968, 227405), (1210, 181924), (2420, 90962), (4840, 45481)]