947521240

素因数分解:

$2^3\times 5^1\times {\mathrm{2309}}^1\times {\mathrm{10259}}^1$

素因数の和:12579

約数の個数: 32

約数和(自身を含む): 2133054000

約数和(自身を除く): 1185532760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2309, 4618, 9236, 10259, 11545, 18472, 20518, 23090, 41036, 46180, 51295, 82072, 92360, 102590, 205180, 410360, 23688031, 47376062, 94752124, 118440155, 189504248, 236880310, 473760620, 947521240]

約数ペア:

[(1, 947521240), (2, 473760620), (4, 236880310), (5, 189504248), (8, 118440155), (10, 94752124), (20, 47376062), (40, 23688031), (2309, 410360), (4618, 205180), (9236, 102590), (10259, 92360), (11545, 82072), (18472, 51295), (20518, 46180), (23090, 41036)]