19760440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{70573}}^1$

素因数の和:70591

約数の個数: 32

約数和(自身を含む): 50813280

約数和(自身を除く): 31052840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 70573, 141146, 282292, 352865, 494011, 564584, 705730, 988022, 1411460, 1976044, 2470055, 2822920, 3952088, 4940110, 9880220, 19760440]

約数ペア:

[(1, 19760440), (2, 9880220), (4, 4940110), (5, 3952088), (7, 2822920), (8, 2470055), (10, 1976044), (14, 1411460), (20, 988022), (28, 705730), (35, 564584), (40, 494011), (56, 352865), (70, 282292), (140, 141146), (280, 70573)]