61771240

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{6803}}^1$

素因数の和:7041

約数の個数: 32

約数和(自身を含む): 139618080

約数和(自身を除く): 77846840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 6803, 9080, 13606, 27212, 34015, 54424, 68030, 136060, 272120, 1544281, 3088562, 6177124, 7721405, 12354248, 15442810, 30885620, 61771240]

約数ペア:

[(1, 61771240), (2, 30885620), (4, 15442810), (5, 12354248), (8, 7721405), (10, 6177124), (20, 3088562), (40, 1544281), (227, 272120), (454, 136060), (908, 68030), (1135, 54424), (1816, 34015), (2270, 27212), (4540, 13606), (6803, 9080)]