8681720

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1709}}^1$

素因数の和:1847

約数の個数: 32

約数和(自身を含む): 19699200

約数和(自身を除く): 11017480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 1709, 2540, 3418, 5080, 6836, 8545, 13672, 17090, 34180, 68360, 217043, 434086, 868172, 1085215, 1736344, 2170430, 4340860, 8681720]

約数ペア:

[(1, 8681720), (2, 4340860), (4, 2170430), (5, 1736344), (8, 1085215), (10, 868172), (20, 434086), (40, 217043), (127, 68360), (254, 34180), (508, 17090), (635, 13672), (1016, 8545), (1270, 6836), (1709, 5080), (2540, 3418)]