25748360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 63806400

約数和(自身を除く): 38058040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 421, 440, 556, 695, 842, 1112, 1390, 1529, 1684, 2105, 2780, 3058, 3368, 4210, 4631, 5560, 6116, 7645, 8420, 9262, 12232, 15290, 16840, 18524, 23155, 30580, 37048, 46310, 58519, 61160, 92620, 117038, 185240, 234076, 292595, 468152, 585190, 643709, 1170380, 1287418, 2340760, 2574836, 3218545, 5149672, 6437090, 12874180, 25748360]

約数ペア:

[(1, 25748360), (2, 12874180), (4, 6437090), (5, 5149672), (8, 3218545), (10, 2574836), (11, 2340760), (20, 1287418), (22, 1170380), (40, 643709), (44, 585190), (55, 468152), (88, 292595), (110, 234076), (139, 185240), (220, 117038), (278, 92620), (421, 61160), (440, 58519), (556, 46310), (695, 37048), (842, 30580), (1112, 23155), (1390, 18524), (1529, 16840), (1684, 15290), (2105, 12232), (2780, 9262), (3058, 8420), (3368, 7645), (4210, 6116), (4631, 5560)]