103995580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{399983}}^1$

素因数の和:400005

約数の個数: 24

約数和(自身を含む): 235190592

約数和(自身を除く): 131195012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 399983, 799966, 1599932, 1999915, 3999830, 5199779, 7999660, 10399558, 20799116, 25998895, 51997790, 103995580]

約数ペア:

[(1, 103995580), (2, 51997790), (4, 25998895), (5, 20799116), (10, 10399558), (13, 7999660), (20, 5199779), (26, 3999830), (52, 1999915), (65, 1599932), (130, 799966), (260, 399983)]