1642160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1579}}^1$

素因数の和:1605

約数の個数: 40

約数和(自身を含む): 4114320

約数和(自身を除く): 2472160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1579, 3158, 6316, 7895, 12632, 15790, 20527, 25264, 31580, 41054, 63160, 82108, 102635, 126320, 164216, 205270, 328432, 410540, 821080, 1642160]

約数ペア:

[(1, 1642160), (2, 821080), (4, 410540), (5, 328432), (8, 205270), (10, 164216), (13, 126320), (16, 102635), (20, 82108), (26, 63160), (40, 41054), (52, 31580), (65, 25264), (80, 20527), (104, 15790), (130, 12632), (208, 7895), (260, 6316), (520, 3158), (1040, 1579)]