79828460

素因数分解:

$2^2\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{3917}}^1$

素因数の和:4945

約数の個数: 24

約数和(自身を含む): 167847120

約数和(自身を除く): 88018660

約数列:

[1, 2, 4, 5, 10, 20, 1019, 2038, 3917, 4076, 5095, 7834, 10190, 15668, 19585, 20380, 39170, 78340, 3991423, 7982846, 15965692, 19957115, 39914230, 79828460]

約数ペア:

[(1, 79828460), (2, 39914230), (4, 19957115), (5, 15965692), (10, 7982846), (20, 3991423), (1019, 78340), (2038, 39170), (3917, 20380), (4076, 19585), (5095, 15668), (7834, 10190)]