25498370

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 46926000

約数和(自身を除く): 21427630

約数列:

[1, 2, 5, 10, 109, 149, 157, 218, 298, 314, 545, 745, 785, 1090, 1490, 1570, 16241, 17113, 23393, 32482, 34226, 46786, 81205, 85565, 116965, 162410, 171130, 233930, 2549837, 5099674, 12749185, 25498370]

約数ペア:

[(1, 25498370), (2, 12749185), (5, 5099674), (10, 2549837), (109, 233930), (149, 171130), (157, 162410), (218, 116965), (298, 85565), (314, 81205), (545, 46786), (745, 34226), (785, 32482), (1090, 23393), (1490, 17113), (1570, 16241)]