28678270

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{619}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 53434080

約数和(自身を除く): 24755810

約数列:

[1, 2, 5, 10, 41, 82, 113, 205, 226, 410, 565, 619, 1130, 1238, 3095, 4633, 6190, 9266, 23165, 25379, 46330, 50758, 69947, 126895, 139894, 253790, 349735, 699470, 2867827, 5735654, 14339135, 28678270]

約数ペア:

[(1, 28678270), (2, 14339135), (5, 5735654), (10, 2867827), (41, 699470), (82, 349735), (113, 253790), (205, 139894), (226, 126895), (410, 69947), (565, 50758), (619, 46330), (1130, 25379), (1238, 23165), (3095, 9266), (4633, 6190)]