89700620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109391}}^1$

素因数の和:109441

約数の個数: 24

約数和(自身を含む): 192967488

約数和(自身を除く): 103266868

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 109391, 218782, 437564, 546955, 1093910, 2187820, 4485031, 8970062, 17940124, 22425155, 44850310, 89700620]

約数ペア:

[(1, 89700620), (2, 44850310), (4, 22425155), (5, 17940124), (10, 8970062), (20, 4485031), (41, 2187820), (82, 1093910), (164, 546955), (205, 437564), (410, 218782), (820, 109391)]