57891040

素因数分解:

$2^5\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1999}}^1$

素因数の和:2195

約数の個数: 48

約数和(自身を含む): 137592000

約数和(自身を除く): 79700960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 181, 362, 724, 905, 1448, 1810, 1999, 2896, 3620, 3998, 5792, 7240, 7996, 9995, 14480, 15992, 19990, 28960, 31984, 39980, 63968, 79960, 159920, 319840, 361819, 723638, 1447276, 1809095, 2894552, 3618190, 5789104, 7236380, 11578208, 14472760, 28945520, 57891040]

約数ペア:

[(1, 57891040), (2, 28945520), (4, 14472760), (5, 11578208), (8, 7236380), (10, 5789104), (16, 3618190), (20, 2894552), (32, 1809095), (40, 1447276), (80, 723638), (160, 361819), (181, 319840), (362, 159920), (724, 79960), (905, 63968), (1448, 39980), (1810, 31984), (1999, 28960), (2896, 19990), (3620, 15992), (3998, 14480), (5792, 9995), (7240, 7996)]