31356640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{27997}}^1$

素因数の和:28019

約数の個数: 48

約数和(自身を含む): 84665952

約数和(自身を除く): 53309312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 27997, 55994, 111988, 139985, 195979, 223976, 279970, 391958, 447952, 559940, 783916, 895904, 979895, 1119880, 1567832, 1959790, 2239760, 3135664, 3919580, 4479520, 6271328, 7839160, 15678320, 31356640]

約数ペア:

[(1, 31356640), (2, 15678320), (4, 7839160), (5, 6271328), (7, 4479520), (8, 3919580), (10, 3135664), (14, 2239760), (16, 1959790), (20, 1567832), (28, 1119880), (32, 979895), (35, 895904), (40, 783916), (56, 559940), (70, 447952), (80, 391958), (112, 279970), (140, 223976), (160, 195979), (224, 139985), (280, 111988), (560, 55994), (1120, 27997)]