819733360

素因数分解:

$2^4\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{7937}}^1$

素因数の和:9241

約数の個数: 40

約数和(自身を含む): 1907596656

約数和(自身を除く): 1087863296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1291, 2582, 5164, 6455, 7937, 10328, 12910, 15874, 20656, 25820, 31748, 39685, 51640, 63496, 79370, 103280, 126992, 158740, 317480, 634960, 10246667, 20493334, 40986668, 51233335, 81973336, 102466670, 163946672, 204933340, 409866680, 819733360]

約数ペア:

[(1, 819733360), (2, 409866680), (4, 204933340), (5, 163946672), (8, 102466670), (10, 81973336), (16, 51233335), (20, 40986668), (40, 20493334), (80, 10246667), (1291, 634960), (2582, 317480), (5164, 158740), (6455, 126992), (7937, 103280), (10328, 79370), (12910, 63496), (15874, 51640), (20656, 39685), (25820, 31748)]