81653740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{7027}}^1$

素因数の和:7126

約数の個数: 48

約数和(自身を含む): 198358272

約数和(自身を除く): 116704532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 2324, 2905, 5810, 7027, 11620, 14054, 28108, 35135, 49189, 70270, 98378, 140540, 196756, 245945, 491890, 583241, 983780, 1166482, 2332964, 2916205, 4082687, 5832410, 8165374, 11664820, 16330748, 20413435, 40826870, 81653740]

約数ペア:

[(1, 81653740), (2, 40826870), (4, 20413435), (5, 16330748), (7, 11664820), (10, 8165374), (14, 5832410), (20, 4082687), (28, 2916205), (35, 2332964), (70, 1166482), (83, 983780), (140, 583241), (166, 491890), (332, 245945), (415, 196756), (581, 140540), (830, 98378), (1162, 70270), (1660, 49189), (2324, 35135), (2905, 28108), (5810, 14054), (7027, 11620)]