25612980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2719}}^1$

素因数の和:2888

約数の個数: 48

約数和(自身を含む): 72199680

約数和(自身を除く): 46586700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 2719, 3140, 4710, 5438, 8157, 9420, 10876, 13595, 16314, 27190, 32628, 40785, 54380, 81570, 163140, 426883, 853766, 1280649, 1707532, 2134415, 2561298, 4268830, 5122596, 6403245, 8537660, 12806490, 25612980]

約数ペア:

[(1, 25612980), (2, 12806490), (3, 8537660), (4, 6403245), (5, 5122596), (6, 4268830), (10, 2561298), (12, 2134415), (15, 1707532), (20, 1280649), (30, 853766), (60, 426883), (157, 163140), (314, 81570), (471, 54380), (628, 40785), (785, 32628), (942, 27190), (1570, 16314), (1884, 13595), (2355, 10876), (2719, 9420), (3140, 8157), (4710, 5438)]