27248920

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4339}}^1$

素因数の和:4507

約数の個数: 32

約数和(自身を含む): 61714800

約数和(自身を除く): 34465880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 4339, 6280, 8678, 17356, 21695, 34712, 43390, 86780, 173560, 681223, 1362446, 2724892, 3406115, 5449784, 6812230, 13624460, 27248920]

約数ペア:

[(1, 27248920), (2, 13624460), (4, 6812230), (5, 5449784), (8, 3406115), (10, 2724892), (20, 1362446), (40, 681223), (157, 173560), (314, 86780), (628, 43390), (785, 34712), (1256, 21695), (1570, 17356), (3140, 8678), (4339, 6280)]