8131340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^2$

素因数の和:498

約数の個数: 36

約数和(自身を含む): 19596528

約数和(自身を除く): 11465188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 964, 1205, 1687, 2410, 3374, 4820, 6748, 8435, 16870, 33740, 58081, 116162, 232324, 290405, 406567, 580810, 813134, 1161620, 1626268, 2032835, 4065670, 8131340]

約数ペア:

[(1, 8131340), (2, 4065670), (4, 2032835), (5, 1626268), (7, 1161620), (10, 813134), (14, 580810), (20, 406567), (28, 290405), (35, 232324), (70, 116162), (140, 58081), (241, 33740), (482, 16870), (964, 8435), (1205, 6748), (1687, 4820), (2410, 3374)]