85677560

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{6977}}^1$

素因数の和:7295

約数の個数: 32

約数和(自身を含む): 193430160

約数和(自身を除く): 107752600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 6977, 12280, 13954, 27908, 34885, 55816, 69770, 139540, 279080, 2141939, 4283878, 8567756, 10709695, 17135512, 21419390, 42838780, 85677560]

約数ペア:

[(1, 85677560), (2, 42838780), (4, 21419390), (5, 17135512), (8, 10709695), (10, 8567756), (20, 4283878), (40, 2141939), (307, 279080), (614, 139540), (1228, 69770), (1535, 55816), (2456, 34885), (3070, 27908), (6140, 13954), (6977, 12280)]