25224880

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4441}}^1$

素因数の和:4525

約数の個数: 40

約数和(自身を含む): 59487264

約数和(自身を除く): 34262384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 4441, 5680, 8882, 17764, 22205, 35528, 44410, 71056, 88820, 177640, 315311, 355280, 630622, 1261244, 1576555, 2522488, 3153110, 5044976, 6306220, 12612440, 25224880]

約数ペア:

[(1, 25224880), (2, 12612440), (4, 6306220), (5, 5044976), (8, 3153110), (10, 2522488), (16, 1576555), (20, 1261244), (40, 630622), (71, 355280), (80, 315311), (142, 177640), (284, 88820), (355, 71056), (568, 44410), (710, 35528), (1136, 22205), (1420, 17764), (2840, 8882), (4441, 5680)]