25907040

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{1999}}^1$

素因数の和:2026

約数の個数: 120

約数和(自身を含む): 91476000

約数和(自身を除く): 65568960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 1999, 2160, 2592, 3240, 3998, 4320, 5997, 6480, 7996, 9995, 11994, 12960, 15992, 17991, 19990, 23988, 29985, 31984, 35982, 39980, 47976, 53973, 59970, 63968, 71964, 79960, 89955, 95952, 107946, 119940, 143928, 159920, 161919, 179910, 191904, 215892, 239880, 269865, 287856, 319840, 323838, 359820, 431784, 479760, 539730, 575712, 647676, 719640, 809595, 863568, 959520, 1079460, 1295352, 1439280, 1619190, 1727136, 2158920, 2590704, 2878560, 3238380, 4317840, 5181408, 6476760, 8635680, 12953520, 25907040]

約数ペア:

[(1, 25907040), (2, 12953520), (3, 8635680), (4, 6476760), (5, 5181408), (6, 4317840), (8, 3238380), (9, 2878560), (10, 2590704), (12, 2158920), (15, 1727136), (16, 1619190), (18, 1439280), (20, 1295352), (24, 1079460), (27, 959520), (30, 863568), (32, 809595), (36, 719640), (40, 647676), (45, 575712), (48, 539730), (54, 479760), (60, 431784), (72, 359820), (80, 323838), (81, 319840), (90, 287856), (96, 269865), (108, 239880), (120, 215892), (135, 191904), (144, 179910), (160, 161919), (162, 159920), (180, 143928), (216, 119940), (240, 107946), (270, 95952), (288, 89955), (324, 79960), (360, 71964), (405, 63968), (432, 59970), (480, 53973), (540, 47976), (648, 39980), (720, 35982), (810, 31984), (864, 29985), (1080, 23988), (1296, 19990), (1440, 17991), (1620, 15992), (1999, 12960), (2160, 11994), (2592, 9995), (3240, 7996), (3998, 6480), (4320, 5997)]