89123740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{1013}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 193179168

約数和(自身を除く): 104055428

約数列:

[1, 2, 4, 5, 10, 20, 53, 83, 106, 166, 212, 265, 332, 415, 530, 830, 1013, 1060, 1660, 2026, 4052, 4399, 5065, 8798, 10130, 17596, 20260, 21995, 43990, 53689, 84079, 87980, 107378, 168158, 214756, 268445, 336316, 420395, 536890, 840790, 1073780, 1681580, 4456187, 8912374, 17824748, 22280935, 44561870, 89123740]

約数ペア:

[(1, 89123740), (2, 44561870), (4, 22280935), (5, 17824748), (10, 8912374), (20, 4456187), (53, 1681580), (83, 1073780), (106, 840790), (166, 536890), (212, 420395), (265, 336316), (332, 268445), (415, 214756), (530, 168158), (830, 107378), (1013, 87980), (1060, 84079), (1660, 53689), (2026, 43990), (4052, 21995), (4399, 20260), (5065, 17596), (8798, 10130)]