7443640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2621}}^1$

素因数の和:2703

約数の個数: 32

約数和(自身を含む): 16990560

約数和(自身を除く): 9546920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2621, 2840, 5242, 10484, 13105, 20968, 26210, 52420, 104840, 186091, 372182, 744364, 930455, 1488728, 1860910, 3721820, 7443640]

約数ペア:

[(1, 7443640), (2, 3721820), (4, 1860910), (5, 1488728), (8, 930455), (10, 744364), (20, 372182), (40, 186091), (71, 104840), (142, 52420), (284, 26210), (355, 20968), (568, 13105), (710, 10484), (1420, 5242), (2621, 2840)]