23521580

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{8461}}^1$

素因数の和:8609

約数の個数: 24

約数和(自身を含む): 49756560

約数和(自身を除く): 26234980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 8461, 16922, 33844, 42305, 84610, 169220, 1176079, 2352158, 4704316, 5880395, 11760790, 23521580]

約数ペア:

[(1, 23521580), (2, 11760790), (4, 5880395), (5, 4704316), (10, 2352158), (20, 1176079), (139, 169220), (278, 84610), (556, 42305), (695, 33844), (1390, 16922), (2780, 8461)]