8785540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 19595520

約数和(自身を除く): 10809980

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 269, 284, 355, 460, 538, 710, 1076, 1345, 1420, 1633, 2690, 3266, 5380, 6187, 6532, 8165, 12374, 16330, 19099, 24748, 30935, 32660, 38198, 61870, 76396, 95495, 123740, 190990, 381980, 439277, 878554, 1757108, 2196385, 4392770, 8785540]

約数ペア:

[(1, 8785540), (2, 4392770), (4, 2196385), (5, 1757108), (10, 878554), (20, 439277), (23, 381980), (46, 190990), (71, 123740), (92, 95495), (115, 76396), (142, 61870), (230, 38198), (269, 32660), (284, 30935), (355, 24748), (460, 19099), (538, 16330), (710, 12374), (1076, 8165), (1345, 6532), (1420, 6187), (1633, 5380), (2690, 3266)]