8889266480

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1821571}}^1$

素因数の和:1821645

約数の個数: 40

約数和(自身を含む): 21006368304

約数和(自身を除く): 12117101824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 1821571, 3643142, 7286284, 9107855, 14572568, 18215710, 29145136, 36431420, 72862840, 111115831, 145725680, 222231662, 444463324, 555579155, 888926648, 1111158310, 1777853296, 2222316620, 4444633240, 8889266480]

約数ペア:

[(1, 8889266480), (2, 4444633240), (4, 2222316620), (5, 1777853296), (8, 1111158310), (10, 888926648), (16, 555579155), (20, 444463324), (40, 222231662), (61, 145725680), (80, 111115831), (122, 72862840), (244, 36431420), (305, 29145136), (488, 18215710), (610, 14572568), (976, 9107855), (1220, 7286284), (2440, 3643142), (4880, 1821571)]