15779080

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{937}}^1$

素因数の和:1369

約数の個数: 32

約数和(自身を含む): 35625240

約数和(自身を除く): 19846160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 937, 1684, 1874, 2105, 3368, 3748, 4210, 4685, 7496, 8420, 9370, 16840, 18740, 37480, 394477, 788954, 1577908, 1972385, 3155816, 3944770, 7889540, 15779080]

約数ペア:

[(1, 15779080), (2, 7889540), (4, 3944770), (5, 3155816), (8, 1972385), (10, 1577908), (20, 788954), (40, 394477), (421, 37480), (842, 18740), (937, 16840), (1684, 9370), (1874, 8420), (2105, 7496), (3368, 4685), (3748, 4210)]