25791240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1091}}^1$

素因数の和:1302

約数の個数: 64

約数和(自身を含む): 77837760

約数和(自身を除く): 52046520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 394, 591, 788, 985, 1091, 1182, 1576, 1970, 2182, 2364, 2955, 3273, 3940, 4364, 4728, 5455, 5910, 6546, 7880, 8728, 10910, 11820, 13092, 16365, 21820, 23640, 26184, 32730, 43640, 65460, 130920, 214927, 429854, 644781, 859708, 1074635, 1289562, 1719416, 2149270, 2579124, 3223905, 4298540, 5158248, 6447810, 8597080, 12895620, 25791240]

約数ペア:

[(1, 25791240), (2, 12895620), (3, 8597080), (4, 6447810), (5, 5158248), (6, 4298540), (8, 3223905), (10, 2579124), (12, 2149270), (15, 1719416), (20, 1289562), (24, 1074635), (30, 859708), (40, 644781), (60, 429854), (120, 214927), (197, 130920), (394, 65460), (591, 43640), (788, 32730), (985, 26184), (1091, 23640), (1182, 21820), (1576, 16365), (1970, 13092), (2182, 11820), (2364, 10910), (2955, 8728), (3273, 7880), (3940, 6546), (4364, 5910), (4728, 5455)]