61528880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109873}}^1$

素因数の和:109893

約数の個数: 40

約数和(自身を含む): 163492512

約数和(自身を除く): 101963632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 109873, 219746, 439492, 549365, 769111, 878984, 1098730, 1538222, 1757968, 2197460, 3076444, 3845555, 4394920, 6152888, 7691110, 8789840, 12305776, 15382220, 30764440, 61528880]

約数ペア:

[(1, 61528880), (2, 30764440), (4, 15382220), (5, 12305776), (7, 8789840), (8, 7691110), (10, 6152888), (14, 4394920), (16, 3845555), (20, 3076444), (28, 2197460), (35, 1757968), (40, 1538222), (56, 1098730), (70, 878984), (80, 769111), (112, 549365), (140, 439492), (280, 219746), (560, 109873)]