40580440

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{11399}}^1$

素因数の和:11499

約数の個数: 32

約数和(自身を含む): 92340000

約数和(自身を除く): 51759560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 11399, 22798, 45596, 56995, 91192, 113990, 227980, 455960, 1014511, 2029022, 4058044, 5072555, 8116088, 10145110, 20290220, 40580440]

約数ペア:

[(1, 40580440), (2, 20290220), (4, 10145110), (5, 8116088), (8, 5072555), (10, 4058044), (20, 2029022), (40, 1014511), (89, 455960), (178, 227980), (356, 113990), (445, 91192), (712, 56995), (890, 45596), (1780, 22798), (3560, 11399)]