25531900

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{1949}}^1$

素因数の和:2094

約数の個数: 36

約数和(自身を含む): 55855800

約数和(自身を除く): 30323900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 1949, 2620, 3275, 3898, 6550, 7796, 9745, 13100, 19490, 38980, 48725, 97450, 194900, 255319, 510638, 1021276, 1276595, 2553190, 5106380, 6382975, 12765950, 25531900]

約数ペア:

[(1, 25531900), (2, 12765950), (4, 6382975), (5, 5106380), (10, 2553190), (20, 1276595), (25, 1021276), (50, 510638), (100, 255319), (131, 194900), (262, 97450), (524, 48725), (655, 38980), (1310, 19490), (1949, 13100), (2620, 9745), (3275, 7796), (3898, 6550)]