881292560

素因数分解:

$2^4\times 5^1\times {\mathrm{11016157}}^1$

素因数の和:11016170

約数の個数: 20

約数和(自身を含む): 2049005388

約数和(自身を除く): 1167712828

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11016157, 22032314, 44064628, 55080785, 88129256, 110161570, 176258512, 220323140, 440646280, 881292560]

約数ペア:

[(1, 881292560), (2, 440646280), (4, 220323140), (5, 176258512), (8, 110161570), (10, 88129256), (16, 55080785), (20, 44064628), (40, 22032314), (80, 11016157)]