89655760

素因数分解:

$2^4\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{1087}}^1$

素因数の和:2131

約数の個数: 40

約数和(自身を含む): 208843776

約数和(自身を除く): 119188016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1031, 1087, 2062, 2174, 4124, 4348, 5155, 5435, 8248, 8696, 10310, 10870, 16496, 17392, 20620, 21740, 41240, 43480, 82480, 86960, 1120697, 2241394, 4482788, 5603485, 8965576, 11206970, 17931152, 22413940, 44827880, 89655760]

約数ペア:

[(1, 89655760), (2, 44827880), (4, 22413940), (5, 17931152), (8, 11206970), (10, 8965576), (16, 5603485), (20, 4482788), (40, 2241394), (80, 1120697), (1031, 86960), (1087, 82480), (2062, 43480), (2174, 41240), (4124, 21740), (4348, 20620), (5155, 17392), (5435, 16496), (8248, 10870), (8696, 10310)]