650143640

素因数分解:

$2^3\times 5^1\times {\mathrm{1187}}^1\times {\mathrm{13693}}^1$

素因数の和:14891

約数の個数: 32

約数和(自身を含む): 1464162480

約数和(自身を除く): 814018840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1187, 2374, 4748, 5935, 9496, 11870, 13693, 23740, 27386, 47480, 54772, 68465, 109544, 136930, 273860, 547720, 16253591, 32507182, 65014364, 81267955, 130028728, 162535910, 325071820, 650143640]

約数ペア:

[(1, 650143640), (2, 325071820), (4, 162535910), (5, 130028728), (8, 81267955), (10, 65014364), (20, 32507182), (40, 16253591), (1187, 547720), (2374, 273860), (4748, 136930), (5935, 109544), (9496, 68465), (11870, 54772), (13693, 47480), (23740, 27386)]