25017520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28429}}^1$

素因数の和:28453

約数の個数: 40

約数和(自身を含む): 63455760

約数和(自身を除く): 38438240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 28429, 56858, 113716, 142145, 227432, 284290, 312719, 454864, 568580, 625438, 1137160, 1250876, 1563595, 2274320, 2501752, 3127190, 5003504, 6254380, 12508760, 25017520]

約数ペア:

[(1, 25017520), (2, 12508760), (4, 6254380), (5, 5003504), (8, 3127190), (10, 2501752), (11, 2274320), (16, 1563595), (20, 1250876), (22, 1137160), (40, 625438), (44, 568580), (55, 454864), (80, 312719), (88, 284290), (110, 227432), (176, 142145), (220, 113716), (440, 56858), (880, 28429)]