899004080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{864427}}^1$

素因数の和:864453

約数の個数: 40

約数和(自身を含む): 2250970512

約数和(自身を除く): 1351966432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 864427, 1728854, 3457708, 4322135, 6915416, 8644270, 11237551, 13830832, 17288540, 22475102, 34577080, 44950204, 56187755, 69154160, 89900408, 112375510, 179800816, 224751020, 449502040, 899004080]

約数ペア:

[(1, 899004080), (2, 449502040), (4, 224751020), (5, 179800816), (8, 112375510), (10, 89900408), (13, 69154160), (16, 56187755), (20, 44950204), (26, 34577080), (40, 22475102), (52, 17288540), (65, 13830832), (80, 11237551), (104, 8644270), (130, 6915416), (208, 4322135), (260, 3457708), (520, 1728854), (1040, 864427)]