2657631640

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{101747}}^1$

素因数の和:102411

約数の個数: 32

約数和(自身を含む): 5988887280

約数和(自身を除く): 3331255640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2612, 3265, 5224, 6530, 13060, 26120, 101747, 203494, 406988, 508735, 813976, 1017470, 2034940, 4069880, 66440791, 132881582, 265763164, 332203955, 531526328, 664407910, 1328815820, 2657631640]

約数ペア:

[(1, 2657631640), (2, 1328815820), (4, 664407910), (5, 531526328), (8, 332203955), (10, 265763164), (20, 132881582), (40, 66440791), (653, 4069880), (1306, 2034940), (2612, 1017470), (3265, 813976), (5224, 508735), (6530, 406988), (13060, 203494), (26120, 101747)]