15762860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 34715520

約数和(自身を除く): 18952660

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 409, 410, 470, 818, 820, 940, 1636, 1927, 2045, 3854, 4090, 7708, 8180, 9635, 16769, 19223, 19270, 33538, 38446, 38540, 67076, 76892, 83845, 96115, 167690, 192230, 335380, 384460, 788143, 1576286, 3152572, 3940715, 7881430, 15762860]

約数ペア:

[(1, 15762860), (2, 7881430), (4, 3940715), (5, 3152572), (10, 1576286), (20, 788143), (41, 384460), (47, 335380), (82, 192230), (94, 167690), (164, 96115), (188, 83845), (205, 76892), (235, 67076), (409, 38540), (410, 38446), (470, 33538), (818, 19270), (820, 19223), (940, 16769), (1636, 9635), (1927, 8180), (2045, 7708), (3854, 4090)]