42547180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163643}}^1$

素因数の和:163665

約数の個数: 24

約数和(自身を含む): 96222672

約数和(自身を除く): 53675492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 163643, 327286, 654572, 818215, 1636430, 2127359, 3272860, 4254718, 8509436, 10636795, 21273590, 42547180]

約数ペア:

[(1, 42547180), (2, 21273590), (4, 10636795), (5, 8509436), (10, 4254718), (13, 3272860), (20, 2127359), (26, 1636430), (52, 818215), (65, 654572), (130, 327286), (260, 163643)]