4043282440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1423691}}^1$

素因数の和:1423773

約数の個数: 32

約数和(自身を含む): 9225524160

約数和(自身を除く): 5182241720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 1423691, 2847382, 5694764, 7118455, 11389528, 14236910, 28473820, 56947640, 101082061, 202164122, 404328244, 505410305, 808656488, 1010820610, 2021641220, 4043282440]

約数ペア:

[(1, 4043282440), (2, 2021641220), (4, 1010820610), (5, 808656488), (8, 505410305), (10, 404328244), (20, 202164122), (40, 101082061), (71, 56947640), (142, 28473820), (284, 14236910), (355, 11389528), (568, 7118455), (710, 5694764), (1420, 2847382), (2840, 1423691)]