67746760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 158079600

約数和(自身を除く): 90332840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 101, 164, 202, 205, 328, 404, 409, 410, 505, 808, 818, 820, 1010, 1636, 1640, 2020, 2045, 3272, 4040, 4090, 4141, 8180, 8282, 16360, 16564, 16769, 20705, 33128, 33538, 41309, 41410, 67076, 82618, 82820, 83845, 134152, 165236, 165640, 167690, 206545, 330472, 335380, 413090, 670760, 826180, 1652360, 1693669, 3387338, 6774676, 8468345, 13549352, 16936690, 33873380, 67746760]

約数ペア:

[(1, 67746760), (2, 33873380), (4, 16936690), (5, 13549352), (8, 8468345), (10, 6774676), (20, 3387338), (40, 1693669), (41, 1652360), (82, 826180), (101, 670760), (164, 413090), (202, 335380), (205, 330472), (328, 206545), (404, 167690), (409, 165640), (410, 165236), (505, 134152), (808, 83845), (818, 82820), (820, 82618), (1010, 67076), (1636, 41410), (1640, 41309), (2020, 33538), (2045, 33128), (3272, 20705), (4040, 16769), (4090, 16564), (4141, 16360), (8180, 8282)]