2019693680

素因数分解:

$2^4\times 5^1\times {\mathrm{25246171}}^1$

素因数の和:25246184

約数の個数: 20

約数和(自身を含む): 4695787992

約数和(自身を除く): 2676094312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25246171, 50492342, 100984684, 126230855, 201969368, 252461710, 403938736, 504923420, 1009846840, 2019693680]

約数ペア:

[(1, 2019693680), (2, 1009846840), (4, 504923420), (5, 403938736), (8, 252461710), (10, 201969368), (16, 126230855), (20, 100984684), (40, 50492342), (80, 25246171)]