8101220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21319}}^1$

素因数の和:21347

約数の個数: 24

約数和(自身を含む): 17908800

約数和(自身を除く): 9807580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 21319, 42638, 85276, 106595, 213190, 405061, 426380, 810122, 1620244, 2025305, 4050610, 8101220]

約数ペア:

[(1, 8101220), (2, 4050610), (4, 2025305), (5, 1620244), (10, 810122), (19, 426380), (20, 405061), (38, 213190), (76, 106595), (95, 85276), (190, 42638), (380, 21319)]