72965240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{44491}}^1$

素因数の和:44543

約数の個数: 32

約数和(自身を含む): 168179760

約数和(自身を除く): 95214520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 44491, 88982, 177964, 222455, 355928, 444910, 889820, 1779640, 1824131, 3648262, 7296524, 9120655, 14593048, 18241310, 36482620, 72965240]

約数ペア:

[(1, 72965240), (2, 36482620), (4, 18241310), (5, 14593048), (8, 9120655), (10, 7296524), (20, 3648262), (40, 1824131), (41, 1779640), (82, 889820), (164, 444910), (205, 355928), (328, 222455), (410, 177964), (820, 88982), (1640, 44491)]