204080540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{351863}}^1$

素因数の和:351901

約数の個数: 24

約数和(自身を含む): 443348640

約数和(自身を除く): 239268100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 351863, 703726, 1407452, 1759315, 3518630, 7037260, 10204027, 20408054, 40816108, 51020135, 102040270, 204080540]

約数ペア:

[(1, 204080540), (2, 102040270), (4, 51020135), (5, 40816108), (10, 20408054), (20, 10204027), (29, 7037260), (58, 3518630), (116, 1759315), (145, 1407452), (290, 703726), (580, 351863)]