156768751120

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4791221}}^1$

素因数の和:4791643

約数の個数: 40

約数和(自身を含む): 365378589720

約数和(自身を除く): 208609838600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 2045, 3272, 4090, 6544, 8180, 16360, 32720, 4791221, 9582442, 19164884, 23956105, 38329768, 47912210, 76659536, 95824420, 191648840, 383297680, 1959609389, 3919218778, 7838437556, 9798046945, 15676875112, 19596093890, 31353750224, 39192187780, 78384375560, 156768751120]

約数ペア:

[(1, 156768751120), (2, 78384375560), (4, 39192187780), (5, 31353750224), (8, 19596093890), (10, 15676875112), (16, 9798046945), (20, 7838437556), (40, 3919218778), (80, 1959609389), (409, 383297680), (818, 191648840), (1636, 95824420), (2045, 76659536), (3272, 47912210), (4090, 38329768), (6544, 23956105), (8180, 19164884), (16360, 9582442), (32720, 4791221)]