81884960

素因数分解:

$2^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4783}}^1$

素因数の和:4905

約数の個数: 48

約数和(自身を含む): 195302016

約数和(自身を除く): 113417056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 107, 160, 214, 428, 535, 856, 1070, 1712, 2140, 3424, 4280, 4783, 8560, 9566, 17120, 19132, 23915, 38264, 47830, 76528, 95660, 153056, 191320, 382640, 511781, 765280, 1023562, 2047124, 2558905, 4094248, 5117810, 8188496, 10235620, 16376992, 20471240, 40942480, 81884960]

約数ペア:

[(1, 81884960), (2, 40942480), (4, 20471240), (5, 16376992), (8, 10235620), (10, 8188496), (16, 5117810), (20, 4094248), (32, 2558905), (40, 2047124), (80, 1023562), (107, 765280), (160, 511781), (214, 382640), (428, 191320), (535, 153056), (856, 95660), (1070, 76528), (1712, 47830), (2140, 38264), (3424, 23915), (4280, 19132), (4783, 17120), (8560, 9566)]