25056520

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8581}}^1$

素因数の和:8665

約数の個数: 32

約数和(自身を含む): 57156120

約数和(自身を除く): 32099600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 8581, 17162, 34324, 42905, 68648, 85810, 171620, 343240, 626413, 1252826, 2505652, 3132065, 5011304, 6264130, 12528260, 25056520]

約数ペア:

[(1, 25056520), (2, 12528260), (4, 6264130), (5, 5011304), (8, 3132065), (10, 2505652), (20, 1252826), (40, 626413), (73, 343240), (146, 171620), (292, 85810), (365, 68648), (584, 42905), (730, 34324), (1460, 17162), (2920, 8581)]