129630940

素因数分解:

$2^2\times 5^1\times {\mathrm{1789}}^1\times {\mathrm{3623}}^1$

素因数の和:5421

約数の個数: 24

約数和(自身を含む): 272452320

約数和(自身を除く): 142821380

約数列:

[1, 2, 4, 5, 10, 20, 1789, 3578, 3623, 7156, 7246, 8945, 14492, 17890, 18115, 35780, 36230, 72460, 6481547, 12963094, 25926188, 32407735, 64815470, 129630940]

約数ペア:

[(1, 129630940), (2, 64815470), (4, 32407735), (5, 25926188), (10, 12963094), (20, 6481547), (1789, 72460), (3578, 36230), (3623, 35780), (7156, 18115), (7246, 17890), (8945, 14492)]