40381384

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1783}}^1$

素因数の和:1957

約数の個数: 32

約数和(自身を含む): 80280000

約数和(自身を除く): 39898616

約数列:

[1, 2, 4, 8, 19, 38, 76, 149, 152, 298, 596, 1192, 1783, 2831, 3566, 5662, 7132, 11324, 14264, 22648, 33877, 67754, 135508, 265667, 271016, 531334, 1062668, 2125336, 5047673, 10095346, 20190692, 40381384]

約数ペア:

[(1, 40381384), (2, 20190692), (4, 10095346), (8, 5047673), (19, 2125336), (38, 1062668), (76, 531334), (149, 271016), (152, 265667), (298, 135508), (596, 67754), (1192, 33877), (1783, 22648), (2831, 14264), (3566, 11324), (5662, 7132)]