72891640

素因数分解:

$2^3\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{1459}}^1$

素因数の和:2719

約数の個数: 32

約数和(自身を含む): 164250000

約数和(自身を除く): 91358360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1249, 1459, 2498, 2918, 4996, 5836, 6245, 7295, 9992, 11672, 12490, 14590, 24980, 29180, 49960, 58360, 1822291, 3644582, 7289164, 9111455, 14578328, 18222910, 36445820, 72891640]

約数ペア:

[(1, 72891640), (2, 36445820), (4, 18222910), (5, 14578328), (8, 9111455), (10, 7289164), (20, 3644582), (40, 1822291), (1249, 58360), (1459, 49960), (2498, 29180), (2918, 24980), (4996, 14590), (5836, 12490), (6245, 11672), (7295, 9992)]