1239640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1823}}^1$

素因数の和:1851

約数の個数: 32

約数和(自身を含む): 2954880

約数和(自身を除く): 1715240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1823, 3646, 7292, 9115, 14584, 18230, 30991, 36460, 61982, 72920, 123964, 154955, 247928, 309910, 619820, 1239640]

約数ペア:

[(1, 1239640), (2, 619820), (4, 309910), (5, 247928), (8, 154955), (10, 123964), (17, 72920), (20, 61982), (34, 36460), (40, 30991), (68, 18230), (85, 14584), (136, 9115), (170, 7292), (340, 3646), (680, 1823)]