38843740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149399}}^1$

素因数の和:149421

約数の個数: 24

約数和(自身を含む): 87847200

約数和(自身を除く): 49003460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 149399, 298798, 597596, 746995, 1493990, 1942187, 2987980, 3884374, 7768748, 9710935, 19421870, 38843740]

約数ペア:

[(1, 38843740), (2, 19421870), (4, 9710935), (5, 7768748), (10, 3884374), (13, 2987980), (20, 1942187), (26, 1493990), (52, 746995), (65, 597596), (130, 298798), (260, 149399)]