65817880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{641}}^1$

素因数の和:820

約数の個数: 64

約数和(自身を含む): 158086080

約数和(自身を除く): 92268200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 151, 170, 302, 340, 604, 641, 680, 755, 1208, 1282, 1510, 2564, 2567, 3020, 3205, 5128, 5134, 6040, 6410, 10268, 10897, 12820, 12835, 20536, 21794, 25640, 25670, 43588, 51340, 54485, 87176, 96791, 102680, 108970, 193582, 217940, 387164, 435880, 483955, 774328, 967910, 1645447, 1935820, 3290894, 3871640, 6581788, 8227235, 13163576, 16454470, 32908940, 65817880]

約数ペア:

[(1, 65817880), (2, 32908940), (4, 16454470), (5, 13163576), (8, 8227235), (10, 6581788), (17, 3871640), (20, 3290894), (34, 1935820), (40, 1645447), (68, 967910), (85, 774328), (136, 483955), (151, 435880), (170, 387164), (302, 217940), (340, 193582), (604, 108970), (641, 102680), (680, 96791), (755, 87176), (1208, 54485), (1282, 51340), (1510, 43588), (2564, 25670), (2567, 25640), (3020, 21794), (3205, 20536), (5128, 12835), (5134, 12820), (6040, 10897), (6410, 10268)]