28556360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101987}}^1$

素因数の和:102005

約数の個数: 32

約数和(自身を含む): 73431360

約数和(自身を除く): 44875000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 101987, 203974, 407948, 509935, 713909, 815896, 1019870, 1427818, 2039740, 2855636, 3569545, 4079480, 5711272, 7139090, 14278180, 28556360]

約数ペア:

[(1, 28556360), (2, 14278180), (4, 7139090), (5, 5711272), (7, 4079480), (8, 3569545), (10, 2855636), (14, 2039740), (20, 1427818), (28, 1019870), (35, 815896), (40, 713909), (56, 509935), (70, 407948), (140, 203974), (280, 101987)]