8839434440

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{667631}}^1$

素因数の和:667973

約数の個数: 32

約数和(自身を含む): 19948844160

約数和(自身を除く): 11109409720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 13240, 667631, 1335262, 2670524, 3338155, 5341048, 6676310, 13352620, 26705240, 220985861, 441971722, 883943444, 1104929305, 1767886888, 2209858610, 4419717220, 8839434440]

約数ペア:

[(1, 8839434440), (2, 4419717220), (4, 2209858610), (5, 1767886888), (8, 1104929305), (10, 883943444), (20, 441971722), (40, 220985861), (331, 26705240), (662, 13352620), (1324, 6676310), (1655, 5341048), (2648, 3338155), (3310, 2670524), (6620, 1335262), (13240, 667631)]