501778520

素因数分解:

$2^3\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{11801}}^1$

素因数の和:12875

約数の個数: 32

約数和(自身を含む): 1130159520

約数和(自身を除く): 628381000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1063, 2126, 4252, 5315, 8504, 10630, 11801, 21260, 23602, 42520, 47204, 59005, 94408, 118010, 236020, 472040, 12544463, 25088926, 50177852, 62722315, 100355704, 125444630, 250889260, 501778520]

約数ペア:

[(1, 501778520), (2, 250889260), (4, 125444630), (5, 100355704), (8, 62722315), (10, 50177852), (20, 25088926), (40, 12544463), (1063, 472040), (2126, 236020), (4252, 118010), (5315, 94408), (8504, 59005), (10630, 47204), (11801, 42520), (21260, 23602)]