84278360

素因数分解:

$2^3\times 5^1\times {\mathrm{2106959}}^1$

素因数の和:2106970

約数の個数: 16

約数和(自身を含む): 189626400

約数和(自身を除く): 105348040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2106959, 4213918, 8427836, 10534795, 16855672, 21069590, 42139180, 84278360]

約数ペア:

[(1, 84278360), (2, 42139180), (4, 21069590), (5, 16855672), (8, 10534795), (10, 8427836), (20, 4213918), (40, 2106959)]