901984040

素因数分解:

$2^3\times 5^1\times {\mathrm{1783}}^1\times {\mathrm{12647}}^1$

素因数の和:14441

約数の個数: 32

約数和(自身を含む): 2030762880

約数和(自身を除く): 1128778840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1783, 3566, 7132, 8915, 12647, 14264, 17830, 25294, 35660, 50588, 63235, 71320, 101176, 126470, 252940, 505880, 22549601, 45099202, 90198404, 112748005, 180396808, 225496010, 450992020, 901984040]

約数ペア:

[(1, 901984040), (2, 450992020), (4, 225496010), (5, 180396808), (8, 112748005), (10, 90198404), (20, 45099202), (40, 22549601), (1783, 505880), (3566, 252940), (7132, 126470), (8915, 101176), (12647, 71320), (14264, 63235), (17830, 50588), (25294, 35660)]