61253560

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{15787}}^1$

素因数の和:15895

約数の個数: 32

約数和(自身を含む): 139250160

約数和(自身を除く): 77996600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 15787, 31574, 63148, 78935, 126296, 157870, 315740, 631480, 1531339, 3062678, 6125356, 7656695, 12250712, 15313390, 30626780, 61253560]

約数ペア:

[(1, 61253560), (2, 30626780), (4, 15313390), (5, 12250712), (8, 7656695), (10, 6125356), (20, 3062678), (40, 1531339), (97, 631480), (194, 315740), (388, 157870), (485, 126296), (776, 78935), (970, 63148), (1940, 31574), (3880, 15787)]