25608640

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1013}}^1$

素因数の和:1109

約数の個数: 56

約数和(自身を含む): 61813440

約数和(自身を除く): 36204800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1013, 1264, 1580, 2026, 2528, 3160, 4052, 5056, 5065, 6320, 8104, 10130, 12640, 16208, 20260, 25280, 32416, 40520, 64832, 80027, 81040, 160054, 162080, 320108, 324160, 400135, 640216, 800270, 1280432, 1600540, 2560864, 3201080, 5121728, 6402160, 12804320, 25608640]

約数ペア:

[(1, 25608640), (2, 12804320), (4, 6402160), (5, 5121728), (8, 3201080), (10, 2560864), (16, 1600540), (20, 1280432), (32, 800270), (40, 640216), (64, 400135), (79, 324160), (80, 320108), (158, 162080), (160, 160054), (316, 81040), (320, 80027), (395, 64832), (632, 40520), (790, 32416), (1013, 25280), (1264, 20260), (1580, 16208), (2026, 12640), (2528, 10130), (3160, 8104), (4052, 6320), (5056, 5065)]