91020080

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{21467}}^1$

素因数の和:21533

約数の個数: 40

約数和(自身を含む): 215624592

約数和(自身を除く): 124604512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 21467, 42934, 85868, 107335, 171736, 214670, 343472, 429340, 858680, 1137751, 1717360, 2275502, 4551004, 5688755, 9102008, 11377510, 18204016, 22755020, 45510040, 91020080]

約数ペア:

[(1, 91020080), (2, 45510040), (4, 22755020), (5, 18204016), (8, 11377510), (10, 9102008), (16, 5688755), (20, 4551004), (40, 2275502), (53, 1717360), (80, 1137751), (106, 858680), (212, 429340), (265, 343472), (424, 214670), (530, 171736), (848, 107335), (1060, 85868), (2120, 42934), (4240, 21467)]