13488820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 30376080

約数和(自身を除く): 16887260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 170, 194, 340, 388, 409, 485, 818, 970, 1636, 1649, 1940, 2045, 3298, 4090, 6596, 6953, 8180, 8245, 13906, 16490, 27812, 32980, 34765, 39673, 69530, 79346, 139060, 158692, 198365, 396730, 674441, 793460, 1348882, 2697764, 3372205, 6744410, 13488820]

約数ペア:

[(1, 13488820), (2, 6744410), (4, 3372205), (5, 2697764), (10, 1348882), (17, 793460), (20, 674441), (34, 396730), (68, 198365), (85, 158692), (97, 139060), (170, 79346), (194, 69530), (340, 39673), (388, 34765), (409, 32980), (485, 27812), (818, 16490), (970, 13906), (1636, 8245), (1649, 8180), (1940, 6953), (2045, 6596), (3298, 4090)]