134956420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{164581}}^1$

素因数の和:164631

約数の個数: 24

約数和(自身を含む): 290322648

約数和(自身を除く): 155366228

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 164581, 329162, 658324, 822905, 1645810, 3291620, 6747821, 13495642, 26991284, 33739105, 67478210, 134956420]

約数ペア:

[(1, 134956420), (2, 67478210), (4, 33739105), (5, 26991284), (10, 13495642), (20, 6747821), (41, 3291620), (82, 1645810), (164, 822905), (205, 658324), (410, 329162), (820, 164581)]