1231128680

素因数分解:

$2^3\times 5^1\times {\mathrm{30778217}}^1$

素因数の和:30778228

約数の個数: 16

約数和(自身を含む): 2770039620

約数和(自身を除く): 1538910940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 30778217, 61556434, 123112868, 153891085, 246225736, 307782170, 615564340, 1231128680]

約数ペア:

[(1, 1231128680), (2, 615564340), (4, 307782170), (5, 246225736), (8, 153891085), (10, 123112868), (20, 61556434), (40, 30778217)]