1327580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1619}}^1$

素因数の和:1669

約数の個数: 24

約数和(自身を含む): 2857680

約数和(自身を除く): 1530100

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1619, 3238, 6476, 8095, 16190, 32380, 66379, 132758, 265516, 331895, 663790, 1327580]

約数ペア:

[(1, 1327580), (2, 663790), (4, 331895), (5, 265516), (10, 132758), (20, 66379), (41, 32380), (82, 16190), (164, 8095), (205, 6476), (410, 3238), (820, 1619)]