71861560

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{22741}}^1$

素因数の和:22831

約数の個数: 32

約数和(自身を含む): 163742400

約数和(自身を除く): 91880840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 22741, 45482, 90964, 113705, 181928, 227410, 454820, 909640, 1796539, 3593078, 7186156, 8982695, 14372312, 17965390, 35930780, 71861560]

約数ペア:

[(1, 71861560), (2, 35930780), (4, 17965390), (5, 14372312), (8, 8982695), (10, 7186156), (20, 3593078), (40, 1796539), (79, 909640), (158, 454820), (316, 227410), (395, 181928), (632, 113705), (790, 90964), (1580, 45482), (3160, 22741)]