67280020

素因数分解:

$2^2\times 5^1\times {\mathrm{1201}}^1\times {\mathrm{2801}}^1$

素因数の和:4011

約数の個数: 24

約数和(自身を含む): 141456168

約数和(自身を除く): 74176148

約数列:

[1, 2, 4, 5, 10, 20, 1201, 2402, 2801, 4804, 5602, 6005, 11204, 12010, 14005, 24020, 28010, 56020, 3364001, 6728002, 13456004, 16820005, 33640010, 67280020]

約数ペア:

[(1, 67280020), (2, 33640010), (4, 16820005), (5, 13456004), (10, 6728002), (20, 3364001), (1201, 56020), (2402, 28010), (2801, 24020), (4804, 14005), (5602, 12010), (6005, 11204)]