85590520

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{7561}}^1$

素因数の和:7855

約数の個数: 32

約数和(自身を含む): 193284720

約数和(自身を除く): 107694200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 7561, 11320, 15122, 30244, 37805, 60488, 75610, 151220, 302440, 2139763, 4279526, 8559052, 10698815, 17118104, 21397630, 42795260, 85590520]

約数ペア:

[(1, 85590520), (2, 42795260), (4, 21397630), (5, 17118104), (8, 10698815), (10, 8559052), (20, 4279526), (40, 2139763), (283, 302440), (566, 151220), (1132, 75610), (1415, 60488), (2264, 37805), (2830, 30244), (5660, 15122), (7561, 11320)]