56997640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{203563}}^1$

素因数の和:203581

約数の個数: 32

約数和(自身を含む): 146566080

約数和(自身を除く): 89568440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 203563, 407126, 814252, 1017815, 1424941, 1628504, 2035630, 2849882, 4071260, 5699764, 7124705, 8142520, 11399528, 14249410, 28498820, 56997640]

約数ペア:

[(1, 56997640), (2, 28498820), (4, 14249410), (5, 11399528), (7, 8142520), (8, 7124705), (10, 5699764), (14, 4071260), (20, 2849882), (28, 2035630), (35, 1628504), (40, 1424941), (56, 1017815), (70, 814252), (140, 407126), (280, 203563)]