7145680

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{499}}^1$

素因数の和:691

約数の個数: 40

約数和(自身を含む): 16740000

約数和(自身を除く): 9594320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 499, 716, 895, 998, 1432, 1790, 1996, 2495, 2864, 3580, 3992, 4990, 7160, 7984, 9980, 14320, 19960, 39920, 89321, 178642, 357284, 446605, 714568, 893210, 1429136, 1786420, 3572840, 7145680]

約数ペア:

[(1, 7145680), (2, 3572840), (4, 1786420), (5, 1429136), (8, 893210), (10, 714568), (16, 446605), (20, 357284), (40, 178642), (80, 89321), (179, 39920), (358, 19960), (499, 14320), (716, 9980), (895, 7984), (998, 7160), (1432, 4990), (1790, 3992), (1996, 3580), (2495, 2864)]