51248920

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{17551}}^1$

素因数の和:17635

約数の個数: 32

約数和(自身を含む): 116896320

約数和(自身を除く): 65647400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 17551, 35102, 70204, 87755, 140408, 175510, 351020, 702040, 1281223, 2562446, 5124892, 6406115, 10249784, 12812230, 25624460, 51248920]

約数ペア:

[(1, 51248920), (2, 25624460), (4, 12812230), (5, 10249784), (8, 6406115), (10, 5124892), (20, 2562446), (40, 1281223), (73, 702040), (146, 351020), (292, 175510), (365, 140408), (584, 87755), (730, 70204), (1460, 35102), (2920, 17551)]