81962320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{93139}}^1$

素因数の和:93163

約数の個数: 40

約数和(自身を含む): 207888480

約数和(自身を除く): 125926160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 93139, 186278, 372556, 465695, 745112, 931390, 1024529, 1490224, 1862780, 2049058, 3725560, 4098116, 5122645, 7451120, 8196232, 10245290, 16392464, 20490580, 40981160, 81962320]

約数ペア:

[(1, 81962320), (2, 40981160), (4, 20490580), (5, 16392464), (8, 10245290), (10, 8196232), (11, 7451120), (16, 5122645), (20, 4098116), (22, 3725560), (40, 2049058), (44, 1862780), (55, 1490224), (80, 1024529), (88, 931390), (110, 745112), (176, 465695), (220, 372556), (440, 186278), (880, 93139)]