28695460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1493}}^1$

素因数の和:1564

約数の個数: 36

約数和(自身を含む): 62308764

約数和(自身を除く): 33613304

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1493, 1922, 2986, 3844, 4805, 5972, 7465, 9610, 14930, 19220, 29860, 46283, 92566, 185132, 231415, 462830, 925660, 1434773, 2869546, 5739092, 7173865, 14347730, 28695460]

約数ペア:

[(1, 28695460), (2, 14347730), (4, 7173865), (5, 5739092), (10, 2869546), (20, 1434773), (31, 925660), (62, 462830), (124, 231415), (155, 185132), (310, 92566), (620, 46283), (961, 29860), (1493, 19220), (1922, 14930), (2986, 9610), (3844, 7465), (4805, 5972)]