8181880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29221}}^1$

素因数の和:29239

約数の個数: 32

約数和(自身を含む): 21039840

約数和(自身を除く): 12857960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 29221, 58442, 116884, 146105, 204547, 233768, 292210, 409094, 584420, 818188, 1022735, 1168840, 1636376, 2045470, 4090940, 8181880]

約数ペア:

[(1, 8181880), (2, 4090940), (4, 2045470), (5, 1636376), (7, 1168840), (8, 1022735), (10, 818188), (14, 584420), (20, 409094), (28, 292210), (35, 233768), (40, 204547), (56, 146105), (70, 116884), (140, 58442), (280, 29221)]