12578480

素因数分解:

$2^4\times 5^1\times {\mathrm{157231}}^1$

素因数の和:157244

約数の個数: 20

約数和(自身を含む): 29245152

約数和(自身を除く): 16666672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157231, 314462, 628924, 786155, 1257848, 1572310, 2515696, 3144620, 6289240, 12578480]

約数ペア:

[(1, 12578480), (2, 6289240), (4, 3144620), (5, 2515696), (8, 1572310), (10, 1257848), (16, 786155), (20, 628924), (40, 314462), (80, 157231)]