127930580

素因数分解:

$2^2\times 5^1\times {\mathrm{1579}}^1\times {\mathrm{4051}}^1$

素因数の和:5639

約数の個数: 24

約数和(自身を含む): 268890720

約数和(自身を除く): 140960140

約数列:

[1, 2, 4, 5, 10, 20, 1579, 3158, 4051, 6316, 7895, 8102, 15790, 16204, 20255, 31580, 40510, 81020, 6396529, 12793058, 25586116, 31982645, 63965290, 127930580]

約数ペア:

[(1, 127930580), (2, 63965290), (4, 31982645), (5, 25586116), (10, 12793058), (20, 6396529), (1579, 81020), (3158, 40510), (4051, 31580), (6316, 20255), (7895, 16204), (8102, 15790)]