91389880

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{20219}}^1$

素因数の和:20343

約数の個数: 32

約数和(自身を含む): 207457200

約数和(自身を除く): 116067320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 20219, 40438, 80876, 101095, 161752, 202190, 404380, 808760, 2284747, 4569494, 9138988, 11423735, 18277976, 22847470, 45694940, 91389880]

約数ペア:

[(1, 91389880), (2, 45694940), (4, 22847470), (5, 18277976), (8, 11423735), (10, 9138988), (20, 4569494), (40, 2284747), (113, 808760), (226, 404380), (452, 202190), (565, 161752), (904, 101095), (1130, 80876), (2260, 40438), (4520, 20219)]