90659320

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{8819}}^1$

素因数の和:9087

約数の個数: 32

約数和(自身を含む): 204800400

約数和(自身を除く): 114141080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 8819, 10280, 17638, 35276, 44095, 70552, 88190, 176380, 352760, 2266483, 4532966, 9065932, 11332415, 18131864, 22664830, 45329660, 90659320]

約数ペア:

[(1, 90659320), (2, 45329660), (4, 22664830), (5, 18131864), (8, 11332415), (10, 9065932), (20, 4532966), (40, 2266483), (257, 352760), (514, 176380), (1028, 88190), (1285, 70552), (2056, 44095), (2570, 35276), (5140, 17638), (8819, 10280)]