49978480

素因数分解:

$2^4\times 5^1\times {\mathrm{624731}}^1$

素因数の和:624744

約数の個数: 20

約数和(自身を含む): 116200152

約数和(自身を除く): 66221672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 624731, 1249462, 2498924, 3123655, 4997848, 6247310, 9995696, 12494620, 24989240, 49978480]

約数ペア:

[(1, 49978480), (2, 24989240), (4, 12494620), (5, 9995696), (8, 6247310), (10, 4997848), (16, 3123655), (20, 2498924), (40, 1249462), (80, 624731)]