3721820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2621}}^1$

素因数の和:2701

約数の個数: 24

約数和(自身を含む): 7928928

約数和(自身を除く): 4207108

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2621, 5242, 10484, 13105, 26210, 52420, 186091, 372182, 744364, 930455, 1860910, 3721820]

約数ペア:

[(1, 3721820), (2, 1860910), (4, 930455), (5, 744364), (10, 372182), (20, 186091), (71, 52420), (142, 26210), (284, 13105), (355, 10484), (710, 5242), (1420, 2621)]