65041580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79319}}^1$

素因数の和:79369

約数の個数: 24

約数和(自身を含む): 139920480

約数和(自身を除く): 74878900

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 79319, 158638, 317276, 396595, 793190, 1586380, 3252079, 6504158, 13008316, 16260395, 32520790, 65041580]

約数ペア:

[(1, 65041580), (2, 32520790), (4, 16260395), (5, 13008316), (10, 6504158), (20, 3252079), (41, 1586380), (82, 793190), (164, 396595), (205, 317276), (410, 158638), (820, 79319)]