61571480

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{6781}}^1$

素因数の和:7019

約数の個数: 32

約数和(自身を含む): 139166640

約数和(自身を除く): 77595160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 6781, 9080, 13562, 27124, 33905, 54248, 67810, 135620, 271240, 1539287, 3078574, 6157148, 7696435, 12314296, 15392870, 30785740, 61571480]

約数ペア:

[(1, 61571480), (2, 30785740), (4, 15392870), (5, 12314296), (8, 7696435), (10, 6157148), (20, 3078574), (40, 1539287), (227, 271240), (454, 135620), (908, 67810), (1135, 54248), (1816, 33905), (2270, 27124), (4540, 13562), (6781, 9080)]