25690580

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 56019600

約数和(自身を除く): 30329020

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 149, 185, 233, 298, 370, 466, 596, 740, 745, 932, 1165, 1490, 2330, 2980, 4660, 5513, 8621, 11026, 17242, 22052, 27565, 34484, 34717, 43105, 55130, 69434, 86210, 110260, 138868, 172420, 173585, 347170, 694340, 1284529, 2569058, 5138116, 6422645, 12845290, 25690580]

約数ペア:

[(1, 25690580), (2, 12845290), (4, 6422645), (5, 5138116), (10, 2569058), (20, 1284529), (37, 694340), (74, 347170), (148, 173585), (149, 172420), (185, 138868), (233, 110260), (298, 86210), (370, 69434), (466, 55130), (596, 43105), (740, 34717), (745, 34484), (932, 27565), (1165, 22052), (1490, 17242), (2330, 11026), (2980, 8621), (4660, 5513)]