40148840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24481}}^1$

素因数の和:24533

約数の個数: 32

約数和(自身を含む): 92541960

約数和(自身を除く): 52393120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 24481, 48962, 97924, 122405, 195848, 244810, 489620, 979240, 1003721, 2007442, 4014884, 5018605, 8029768, 10037210, 20074420, 40148840]

約数ペア:

[(1, 40148840), (2, 20074420), (4, 10037210), (5, 8029768), (8, 5018605), (10, 4014884), (20, 2007442), (40, 1003721), (41, 979240), (82, 489620), (164, 244810), (205, 195848), (328, 122405), (410, 97924), (820, 48962), (1640, 24481)]