89439320

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{7901}}^1$

素因数の和:8195

約数の個数: 32

約数和(自身を含む): 201975120

約数和(自身を除く): 112535800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 7901, 11320, 15802, 31604, 39505, 63208, 79010, 158020, 316040, 2235983, 4471966, 8943932, 11179915, 17887864, 22359830, 44719660, 89439320]

約数ペア:

[(1, 89439320), (2, 44719660), (4, 22359830), (5, 17887864), (8, 11179915), (10, 8943932), (20, 4471966), (40, 2235983), (283, 316040), (566, 158020), (1132, 79010), (1415, 63208), (2264, 39505), (2830, 31604), (5660, 15802), (7901, 11320)]