3990520

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1489}}^1$

素因数の和:1567

約数の個数: 32

約数和(自身を含む): 9118800

約数和(自身を除く): 5128280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 1489, 2680, 2978, 5956, 7445, 11912, 14890, 29780, 59560, 99763, 199526, 399052, 498815, 798104, 997630, 1995260, 3990520]

約数ペア:

[(1, 3990520), (2, 1995260), (4, 997630), (5, 798104), (8, 498815), (10, 399052), (20, 199526), (40, 99763), (67, 59560), (134, 29780), (268, 14890), (335, 11912), (536, 7445), (670, 5956), (1340, 2978), (1489, 2680)]