39254840

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1531}}^1$

素因数の和:2183

約数の個数: 32

約数和(自身を含む): 88518960

約数和(自身を除く): 49264120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 1531, 2564, 3062, 3205, 5128, 6124, 6410, 7655, 12248, 12820, 15310, 25640, 30620, 61240, 981371, 1962742, 3925484, 4906855, 7850968, 9813710, 19627420, 39254840]

約数ペア:

[(1, 39254840), (2, 19627420), (4, 9813710), (5, 7850968), (8, 4906855), (10, 3925484), (20, 1962742), (40, 981371), (641, 61240), (1282, 30620), (1531, 25640), (2564, 15310), (3062, 12820), (3205, 12248), (5128, 7655), (6124, 6410)]