25225520

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7333}}^1$

素因数の和:7389

約数の個数: 40

約数和(自身を含む): 60021456

約数和(自身を除く): 34795936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 7333, 14666, 29332, 36665, 58664, 73330, 117328, 146660, 293320, 315319, 586640, 630638, 1261276, 1576595, 2522552, 3153190, 5045104, 6306380, 12612760, 25225520]

約数ペア:

[(1, 25225520), (2, 12612760), (4, 6306380), (5, 5045104), (8, 3153190), (10, 2522552), (16, 1576595), (20, 1261276), (40, 630638), (43, 586640), (80, 315319), (86, 293320), (172, 146660), (215, 117328), (344, 73330), (430, 58664), (688, 36665), (860, 29332), (1720, 14666), (3440, 7333)]