396041680

素因数分解:

$2^4\times 5^1\times {\mathrm{4950521}}^1$

素因数の和:4950534

約数の個数: 20

約数和(自身を含む): 920797092

約数和(自身を除く): 524755412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4950521, 9901042, 19802084, 24752605, 39604168, 49505210, 79208336, 99010420, 198020840, 396041680]

約数ペア:

[(1, 396041680), (2, 198020840), (4, 99010420), (5, 79208336), (8, 49505210), (10, 39604168), (16, 24752605), (20, 19802084), (40, 9901042), (80, 4950521)]