15624920

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5351}}^1$

素因数の和:5435

約数の個数: 32

約数和(自身を含む): 35644320

約数和(自身を除く): 20019400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 5351, 10702, 21404, 26755, 42808, 53510, 107020, 214040, 390623, 781246, 1562492, 1953115, 3124984, 3906230, 7812460, 15624920]

約数ペア:

[(1, 15624920), (2, 7812460), (4, 3906230), (5, 3124984), (8, 1953115), (10, 1562492), (20, 781246), (40, 390623), (73, 214040), (146, 107020), (292, 53510), (365, 42808), (584, 26755), (730, 21404), (1460, 10702), (2920, 5351)]