25311540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2687}}^1$

素因数の和:2856

約数の個数: 48

約数和(自身を含む): 71350272

約数和(自身を除く): 46038732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 2687, 3140, 4710, 5374, 8061, 9420, 10748, 13435, 16122, 26870, 32244, 40305, 53740, 80610, 161220, 421859, 843718, 1265577, 1687436, 2109295, 2531154, 4218590, 5062308, 6327885, 8437180, 12655770, 25311540]

約数ペア:

[(1, 25311540), (2, 12655770), (3, 8437180), (4, 6327885), (5, 5062308), (6, 4218590), (10, 2531154), (12, 2109295), (15, 1687436), (20, 1265577), (30, 843718), (60, 421859), (157, 161220), (314, 80610), (471, 53740), (628, 40305), (785, 32244), (942, 26870), (1570, 16122), (1884, 13435), (2355, 10748), (2687, 9420), (3140, 8061), (4710, 5374)]