201653680

素因数分解:

$2^4\times 5^1\times {\mathrm{2520671}}^1$

素因数の和:2520684

約数の個数: 20

約数和(自身を含む): 468844992

約数和(自身を除く): 267191312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2520671, 5041342, 10082684, 12603355, 20165368, 25206710, 40330736, 50413420, 100826840, 201653680]

約数ペア:

[(1, 201653680), (2, 100826840), (4, 50413420), (5, 40330736), (8, 25206710), (10, 20165368), (16, 12603355), (20, 10082684), (40, 5041342), (80, 2520671)]