40493680

素因数分解:

$2^4\times 5^1\times {\mathrm{506171}}^1$

素因数の和:506184

約数の個数: 20

約数和(自身を含む): 94147992

約数和(自身を除く): 53654312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 506171, 1012342, 2024684, 2530855, 4049368, 5061710, 8098736, 10123420, 20246840, 40493680]

約数ペア:

[(1, 40493680), (2, 20246840), (4, 10123420), (5, 8098736), (8, 5061710), (10, 4049368), (16, 2530855), (20, 2024684), (40, 1012342), (80, 506171)]