23105780

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8819}}^1$

素因数の和:8959

約数の個数: 24

約数和(自身を含む): 48898080

約数和(自身を除く): 25792300

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 8819, 17638, 35276, 44095, 88190, 176380, 1155289, 2310578, 4621156, 5776445, 11552890, 23105780]

約数ペア:

[(1, 23105780), (2, 11552890), (4, 5776445), (5, 4621156), (10, 2310578), (20, 1155289), (131, 176380), (262, 88190), (524, 44095), (655, 35276), (1310, 17638), (2620, 8819)]