2016400910

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{55259}}^1$

素因数の和:55396

約数の個数: 32

約数和(自身を含む): 3759890400

約数和(自身を除く): 1743489490

約数列:

[1, 2, 5, 10, 41, 82, 89, 178, 205, 410, 445, 890, 3649, 7298, 18245, 36490, 55259, 110518, 276295, 552590, 2265619, 4531238, 4918051, 9836102, 11328095, 22656190, 24590255, 49180510, 201640091, 403280182, 1008200455, 2016400910]

約数ペア:

[(1, 2016400910), (2, 1008200455), (5, 403280182), (10, 201640091), (41, 49180510), (82, 24590255), (89, 22656190), (178, 11328095), (205, 9836102), (410, 4918051), (445, 4531238), (890, 2265619), (3649, 552590), (7298, 276295), (18245, 110518), (36490, 55259)]