71778880

素因数分解:

$2^6\times 5^1\times {\mathrm{224309}}^1$

素因数の和:224326

約数の個数: 28

約数和(自身を含む): 170924220

約数和(自身を除く): 99145340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 224309, 448618, 897236, 1121545, 1794472, 2243090, 3588944, 4486180, 7177888, 8972360, 14355776, 17944720, 35889440, 71778880]

約数ペア:

[(1, 71778880), (2, 35889440), (4, 17944720), (5, 14355776), (8, 8972360), (10, 7177888), (16, 4486180), (20, 3588944), (32, 2243090), (40, 1794472), (64, 1121545), (80, 897236), (160, 448618), (320, 224309)]