85565560

素因数分解:

$2^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{3467}}^1$

素因数の和:4095

約数の個数: 32

約数和(自身を含む): 192890160

約数和(自身を除く): 107324600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 617, 1234, 2468, 3085, 3467, 4936, 6170, 6934, 12340, 13868, 17335, 24680, 27736, 34670, 69340, 138680, 2139139, 4278278, 8556556, 10695695, 17113112, 21391390, 42782780, 85565560]

約数ペア:

[(1, 85565560), (2, 42782780), (4, 21391390), (5, 17113112), (8, 10695695), (10, 8556556), (20, 4278278), (40, 2139139), (617, 138680), (1234, 69340), (2468, 34670), (3085, 27736), (3467, 24680), (4936, 17335), (6170, 13868), (6934, 12340)]