25400220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1213}}^1$

素因数の和:1574

約数の個数: 48

約数和(自身を含む): 71383200

約数和(自身を除く): 45982980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349, 698, 1047, 1213, 1396, 1745, 2094, 2426, 3490, 3639, 4188, 4852, 5235, 6065, 6980, 7278, 10470, 12130, 14556, 18195, 20940, 24260, 36390, 72780, 423337, 846674, 1270011, 1693348, 2116685, 2540022, 4233370, 5080044, 6350055, 8466740, 12700110, 25400220]

約数ペア:

[(1, 25400220), (2, 12700110), (3, 8466740), (4, 6350055), (5, 5080044), (6, 4233370), (10, 2540022), (12, 2116685), (15, 1693348), (20, 1270011), (30, 846674), (60, 423337), (349, 72780), (698, 36390), (1047, 24260), (1213, 20940), (1396, 18195), (1745, 14556), (2094, 12130), (2426, 10470), (3490, 7278), (3639, 6980), (4188, 6065), (4852, 5235)]