400202720

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{58169}}^1$

素因数の和:58227

約数の個数: 48

約数和(自身を含む): 967483440

約数和(自身を除く): 567280720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 58169, 116338, 232676, 290845, 465352, 581690, 930704, 1163380, 1861408, 2326760, 2501267, 4653520, 5002534, 9307040, 10005068, 12506335, 20010136, 25012670, 40020272, 50025340, 80040544, 100050680, 200101360, 400202720]

約数ペア:

[(1, 400202720), (2, 200101360), (4, 100050680), (5, 80040544), (8, 50025340), (10, 40020272), (16, 25012670), (20, 20010136), (32, 12506335), (40, 10005068), (43, 9307040), (80, 5002534), (86, 4653520), (160, 2501267), (172, 2326760), (215, 1861408), (344, 1163380), (430, 930704), (688, 581690), (860, 465352), (1376, 290845), (1720, 232676), (3440, 116338), (6880, 58169)]