42091640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14821}}^1$

素因数の和:14903

約数の個数: 32

約数和(自身を含む): 96046560

約数和(自身を除く): 53954920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 14821, 29642, 59284, 74105, 118568, 148210, 296420, 592840, 1052291, 2104582, 4209164, 5261455, 8418328, 10522910, 21045820, 42091640]

約数ペア:

[(1, 42091640), (2, 21045820), (4, 10522910), (5, 8418328), (8, 5261455), (10, 4209164), (20, 2104582), (40, 1052291), (71, 592840), (142, 296420), (284, 148210), (355, 118568), (568, 74105), (710, 59284), (1420, 29642), (2840, 14821)]