22989520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 56371392

約数和(自身を除く): 33381872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 43, 80, 82, 86, 163, 164, 172, 205, 215, 326, 328, 344, 410, 430, 652, 656, 688, 815, 820, 860, 1304, 1630, 1640, 1720, 1763, 2608, 3260, 3280, 3440, 3526, 6520, 6683, 7009, 7052, 8815, 13040, 13366, 14018, 14104, 17630, 26732, 28036, 28208, 33415, 35045, 35260, 53464, 56072, 66830, 70090, 70520, 106928, 112144, 133660, 140180, 141040, 267320, 280360, 287369, 534640, 560720, 574738, 1149476, 1436845, 2298952, 2873690, 4597904, 5747380, 11494760, 22989520]

約数ペア:

[(1, 22989520), (2, 11494760), (4, 5747380), (5, 4597904), (8, 2873690), (10, 2298952), (16, 1436845), (20, 1149476), (40, 574738), (41, 560720), (43, 534640), (80, 287369), (82, 280360), (86, 267320), (163, 141040), (164, 140180), (172, 133660), (205, 112144), (215, 106928), (326, 70520), (328, 70090), (344, 66830), (410, 56072), (430, 53464), (652, 35260), (656, 35045), (688, 33415), (815, 28208), (820, 28036), (860, 26732), (1304, 17630), (1630, 14104), (1640, 14018), (1720, 13366), (1763, 13040), (2608, 8815), (3260, 7052), (3280, 7009), (3440, 6683), (3526, 6520)]