67874680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{41387}}^1$

素因数の和:41439

約数の個数: 32

約数和(自身を含む): 156446640

約数和(自身を除く): 88571960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 41387, 82774, 165548, 206935, 331096, 413870, 827740, 1655480, 1696867, 3393734, 6787468, 8484335, 13574936, 16968670, 33937340, 67874680]

約数ペア:

[(1, 67874680), (2, 33937340), (4, 16968670), (5, 13574936), (8, 8484335), (10, 6787468), (20, 3393734), (40, 1696867), (41, 1655480), (82, 827740), (164, 413870), (205, 331096), (328, 206935), (410, 165548), (820, 82774), (1640, 41387)]