102042020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83641}}^1$

素因数の和:83711

約数の個数: 24

約数和(自身を含む): 217803768

約数和(自身を除く): 115761748

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 83641, 167282, 334564, 418205, 836410, 1672820, 5102101, 10204202, 20408404, 25510505, 51021010, 102042020]

約数ペア:

[(1, 102042020), (2, 51021010), (4, 25510505), (5, 20408404), (10, 10204202), (20, 5102101), (61, 1672820), (122, 836410), (244, 418205), (305, 334564), (610, 167282), (1220, 83641)]