40486579180

素因数分解:

$2^2\times 5^1\times {\mathrm{4129}}^1\times {\mathrm{490271}}^1$

素因数の和:494409

約数の個数: 24

約数和(自身を含む): 85042581120

約数和(自身を除く): 44556001940

約数列:

[1, 2, 4, 5, 10, 20, 4129, 8258, 16516, 20645, 41290, 82580, 490271, 980542, 1961084, 2451355, 4902710, 9805420, 2024328959, 4048657918, 8097315836, 10121644795, 20243289590, 40486579180]

約数ペア:

[(1, 40486579180), (2, 20243289590), (4, 10121644795), (5, 8097315836), (10, 4048657918), (20, 2024328959), (4129, 9805420), (8258, 4902710), (16516, 2451355), (20645, 1961084), (41290, 980542), (82580, 490271)]