80450380

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{55103}}^1$

素因数の和:55185

約数の個数: 24

約数和(自身を含む): 171263232

約数和(自身を除く): 90812852

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 55103, 110206, 220412, 275515, 551030, 1102060, 4022519, 8045038, 16090076, 20112595, 40225190, 80450380]

約数ペア:

[(1, 80450380), (2, 40225190), (4, 20112595), (5, 16090076), (10, 8045038), (20, 4022519), (73, 1102060), (146, 551030), (292, 275515), (365, 220412), (730, 110206), (1460, 55103)]