2655160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1619}}^1$

素因数の和:1671

約数の個数: 32

約数和(自身を含む): 6123600

約数和(自身を除く): 3468440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1619, 1640, 3238, 6476, 8095, 12952, 16190, 32380, 64760, 66379, 132758, 265516, 331895, 531032, 663790, 1327580, 2655160]

約数ペア:

[(1, 2655160), (2, 1327580), (4, 663790), (5, 531032), (8, 331895), (10, 265516), (20, 132758), (40, 66379), (41, 64760), (82, 32380), (164, 16190), (205, 12952), (328, 8095), (410, 6476), (820, 3238), (1619, 1640)]