25667160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1999}}^1$

素因数の和:2120

約数の個数: 64

約数和(自身を含む): 77760000

約数和(自身を除く): 52092840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1284, 1605, 1999, 2140, 2568, 3210, 3998, 4280, 5997, 6420, 7996, 9995, 11994, 12840, 15992, 19990, 23988, 29985, 39980, 47976, 59970, 79960, 119940, 213893, 239880, 427786, 641679, 855572, 1069465, 1283358, 1711144, 2138930, 2566716, 3208395, 4277860, 5133432, 6416790, 8555720, 12833580, 25667160]

約数ペア:

[(1, 25667160), (2, 12833580), (3, 8555720), (4, 6416790), (5, 5133432), (6, 4277860), (8, 3208395), (10, 2566716), (12, 2138930), (15, 1711144), (20, 1283358), (24, 1069465), (30, 855572), (40, 641679), (60, 427786), (107, 239880), (120, 213893), (214, 119940), (321, 79960), (428, 59970), (535, 47976), (642, 39980), (856, 29985), (1070, 23988), (1284, 19990), (1605, 15992), (1999, 12840), (2140, 11994), (2568, 9995), (3210, 7996), (3998, 6420), (4280, 5997)]