7981040

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1489}}^1$

素因数の和:1569

約数の個数: 40

約数和(自身を含む): 18845520

約数和(自身を除く): 10864480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 1489, 2680, 2978, 5360, 5956, 7445, 11912, 14890, 23824, 29780, 59560, 99763, 119120, 199526, 399052, 498815, 798104, 997630, 1596208, 1995260, 3990520, 7981040]

約数ペア:

[(1, 7981040), (2, 3990520), (4, 1995260), (5, 1596208), (8, 997630), (10, 798104), (16, 498815), (20, 399052), (40, 199526), (67, 119120), (80, 99763), (134, 59560), (268, 29780), (335, 23824), (536, 14890), (670, 11912), (1072, 7445), (1340, 5956), (1489, 5360), (2680, 2978)]