56764240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54581}}^1$

素因数の和:54607

約数の個数: 40

約数和(自身を含む): 142131528

約数和(自身を除く): 85367288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 54581, 109162, 218324, 272905, 436648, 545810, 709553, 873296, 1091620, 1419106, 2183240, 2838212, 3547765, 4366480, 5676424, 7095530, 11352848, 14191060, 28382120, 56764240]

約数ペア:

[(1, 56764240), (2, 28382120), (4, 14191060), (5, 11352848), (8, 7095530), (10, 5676424), (13, 4366480), (16, 3547765), (20, 2838212), (26, 2183240), (40, 1419106), (52, 1091620), (65, 873296), (80, 709553), (104, 545810), (130, 436648), (208, 272905), (260, 218324), (520, 109162), (1040, 54581)]