145093820

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{40529}}^1$

素因数の和:40717

約数の個数: 24

約数和(自身を含む): 306406800

約数和(自身を除く): 161312980

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 40529, 81058, 162116, 202645, 405290, 810580, 7254691, 14509382, 29018764, 36273455, 72546910, 145093820]

約数ペア:

[(1, 145093820), (2, 72546910), (4, 36273455), (5, 29018764), (10, 14509382), (20, 7254691), (179, 810580), (358, 405290), (716, 202645), (895, 162116), (1790, 81058), (3580, 40529)]