57788840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{21563}}^1$

素因数の和:21641

約数の個数: 32

約数和(自身を含む): 131971680

約数和(自身を除く): 74182840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 21563, 43126, 86252, 107815, 172504, 215630, 431260, 862520, 1444721, 2889442, 5778884, 7223605, 11557768, 14447210, 28894420, 57788840]

約数ペア:

[(1, 57788840), (2, 28894420), (4, 14447210), (5, 11557768), (8, 7223605), (10, 5778884), (20, 2889442), (40, 1444721), (67, 862520), (134, 431260), (268, 215630), (335, 172504), (536, 107815), (670, 86252), (1340, 43126), (2680, 21563)]