2000508640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{961783}}^1$

素因数の和:961811

約数の個数: 48

約数和(自身を含む): 5089760928

約数和(自身を除く): 3089252288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 961783, 1923566, 3847132, 4808915, 7694264, 9617830, 12503179, 15388528, 19235660, 25006358, 30777056, 38471320, 50012716, 62515895, 76942640, 100025432, 125031790, 153885280, 200050864, 250063580, 400101728, 500127160, 1000254320, 2000508640]

約数ペア:

[(1, 2000508640), (2, 1000254320), (4, 500127160), (5, 400101728), (8, 250063580), (10, 200050864), (13, 153885280), (16, 125031790), (20, 100025432), (26, 76942640), (32, 62515895), (40, 50012716), (52, 38471320), (65, 30777056), (80, 25006358), (104, 19235660), (130, 15388528), (160, 12503179), (208, 9617830), (260, 7694264), (416, 4808915), (520, 3847132), (1040, 1923566), (2080, 961783)]