28436927720

素因数分解:

$2^3\times 5^1\times {\mathrm{5659}}^1\times {\mathrm{125627}}^1$

素因数の和:131297

約数の個数: 32

約数和(自身を含む): 63994903200

約数和(自身を除く): 35557975480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5659, 11318, 22636, 28295, 45272, 56590, 113180, 125627, 226360, 251254, 502508, 628135, 1005016, 1256270, 2512540, 5025080, 710923193, 1421846386, 2843692772, 3554615965, 5687385544, 7109231930, 14218463860, 28436927720]

約数ペア:

[(1, 28436927720), (2, 14218463860), (4, 7109231930), (5, 5687385544), (8, 3554615965), (10, 2843692772), (20, 1421846386), (40, 710923193), (5659, 5025080), (11318, 2512540), (22636, 1256270), (28295, 1005016), (45272, 628135), (56590, 502508), (113180, 251254), (125627, 226360)]