3960280

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{547}}^1$

素因数の和:739

約数の個数: 32

約数和(自身を含む): 8976240

約数和(自身を除く): 5015960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 547, 724, 905, 1094, 1448, 1810, 2188, 2735, 3620, 4376, 5470, 7240, 10940, 21880, 99007, 198014, 396028, 495035, 792056, 990070, 1980140, 3960280]

約数ペア:

[(1, 3960280), (2, 1980140), (4, 990070), (5, 792056), (8, 495035), (10, 396028), (20, 198014), (40, 99007), (181, 21880), (362, 10940), (547, 7240), (724, 5470), (905, 4376), (1094, 3620), (1448, 2735), (1810, 2188)]