47955640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 115473600

約数和(自身を除く): 67517960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 109, 136, 170, 218, 340, 436, 545, 647, 680, 872, 1090, 1294, 1853, 2180, 2588, 3235, 3706, 4360, 5176, 6470, 7412, 9265, 10999, 12940, 14824, 18530, 21998, 25880, 37060, 43996, 54995, 70523, 74120, 87992, 109990, 141046, 219980, 282092, 352615, 439960, 564184, 705230, 1198891, 1410460, 2397782, 2820920, 4795564, 5994455, 9591128, 11988910, 23977820, 47955640]

約数ペア:

[(1, 47955640), (2, 23977820), (4, 11988910), (5, 9591128), (8, 5994455), (10, 4795564), (17, 2820920), (20, 2397782), (34, 1410460), (40, 1198891), (68, 705230), (85, 564184), (109, 439960), (136, 352615), (170, 282092), (218, 219980), (340, 141046), (436, 109990), (545, 87992), (647, 74120), (680, 70523), (872, 54995), (1090, 43996), (1294, 37060), (1853, 25880), (2180, 21998), (2588, 18530), (3235, 14824), (3706, 12940), (4360, 10999), (5176, 9265), (6470, 7412)]