5531480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2267}}^1$

素因数の和:2339

約数の個数: 32

約数和(自身を含む): 12655440

約数和(自身を除く): 7123960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2267, 2440, 4534, 9068, 11335, 18136, 22670, 45340, 90680, 138287, 276574, 553148, 691435, 1106296, 1382870, 2765740, 5531480]

約数ペア:

[(1, 5531480), (2, 2765740), (4, 1382870), (5, 1106296), (8, 691435), (10, 553148), (20, 276574), (40, 138287), (61, 90680), (122, 45340), (244, 22670), (305, 18136), (488, 11335), (610, 9068), (1220, 4534), (2267, 2440)]