25160820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2671}}^1$

素因数の和:2840

約数の個数: 48

約数和(自身を含む): 70925568

約数和(自身を除く): 45764748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 2671, 3140, 4710, 5342, 8013, 9420, 10684, 13355, 16026, 26710, 32052, 40065, 53420, 80130, 160260, 419347, 838694, 1258041, 1677388, 2096735, 2516082, 4193470, 5032164, 6290205, 8386940, 12580410, 25160820]

約数ペア:

[(1, 25160820), (2, 12580410), (3, 8386940), (4, 6290205), (5, 5032164), (6, 4193470), (10, 2516082), (12, 2096735), (15, 1677388), (20, 1258041), (30, 838694), (60, 419347), (157, 160260), (314, 80130), (471, 53420), (628, 40065), (785, 32052), (942, 26710), (1570, 16026), (1884, 13355), (2355, 10684), (2671, 9420), (3140, 8013), (4710, 5342)]