2731420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3331}}^1$

素因数の和:3381

約数の個数: 24

約数和(自身を含む): 5877648

約数和(自身を除く): 3146228

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 3331, 6662, 13324, 16655, 33310, 66620, 136571, 273142, 546284, 682855, 1365710, 2731420]

約数ペア:

[(1, 2731420), (2, 1365710), (4, 682855), (5, 546284), (10, 273142), (20, 136571), (41, 66620), (82, 33310), (164, 16655), (205, 13324), (410, 6662), (820, 3331)]