1123640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4013}}^1$

素因数の和:4031

約数の個数: 32

約数和(自身を含む): 2890080

約数和(自身を除く): 1766440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4013, 8026, 16052, 20065, 28091, 32104, 40130, 56182, 80260, 112364, 140455, 160520, 224728, 280910, 561820, 1123640]

約数ペア:

[(1, 1123640), (2, 561820), (4, 280910), (5, 224728), (7, 160520), (8, 140455), (10, 112364), (14, 80260), (20, 56182), (28, 40130), (35, 32104), (40, 28091), (56, 20065), (70, 16052), (140, 8026), (280, 4013)]