1637260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1153}}^1$

素因数の和:1233

約数の個数: 24

約数和(自身を含む): 3489696

約数和(自身を除く): 1852436

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1153, 1420, 2306, 4612, 5765, 11530, 23060, 81863, 163726, 327452, 409315, 818630, 1637260]

約数ペア:

[(1, 1637260), (2, 818630), (4, 409315), (5, 327452), (10, 163726), (20, 81863), (71, 23060), (142, 11530), (284, 5765), (355, 4612), (710, 2306), (1153, 1420)]