76420580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{123259}}^1$

素因数の和:123299

約数の個数: 24

約数和(自身を含む): 165661440

約数和(自身を除く): 89240860

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 123259, 246518, 493036, 616295, 1232590, 2465180, 3821029, 7642058, 15284116, 19105145, 38210290, 76420580]

約数ペア:

[(1, 76420580), (2, 38210290), (4, 19105145), (5, 15284116), (10, 7642058), (20, 3821029), (31, 2465180), (62, 1232590), (124, 616295), (155, 493036), (310, 246518), (620, 123259)]