79924840

素因数分解:

$2^3\times 5^1\times {\mathrm{907}}^1\times {\mathrm{2203}}^1$

素因数の和:3121

約数の個数: 32

約数和(自身を含む): 180110880

約数和(自身を除く): 100186040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 907, 1814, 2203, 3628, 4406, 4535, 7256, 8812, 9070, 11015, 17624, 18140, 22030, 36280, 44060, 88120, 1998121, 3996242, 7992484, 9990605, 15984968, 19981210, 39962420, 79924840]

約数ペア:

[(1, 79924840), (2, 39962420), (4, 19981210), (5, 15984968), (8, 9990605), (10, 7992484), (20, 3996242), (40, 1998121), (907, 88120), (1814, 44060), (2203, 36280), (3628, 22030), (4406, 18140), (4535, 17624), (7256, 11015), (8812, 9070)]