131400820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{2371}}^1$

素因数の和:2560

約数の個数: 48

約数和(自身を含む): 294090048

約数和(自身を除く): 162689228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 163, 170, 326, 340, 652, 815, 1630, 2371, 2771, 3260, 4742, 5542, 9484, 11084, 11855, 13855, 23710, 27710, 40307, 47420, 55420, 80614, 161228, 201535, 386473, 403070, 772946, 806140, 1545892, 1932365, 3864730, 6570041, 7729460, 13140082, 26280164, 32850205, 65700410, 131400820]

約数ペア:

[(1, 131400820), (2, 65700410), (4, 32850205), (5, 26280164), (10, 13140082), (17, 7729460), (20, 6570041), (34, 3864730), (68, 1932365), (85, 1545892), (163, 806140), (170, 772946), (326, 403070), (340, 386473), (652, 201535), (815, 161228), (1630, 80614), (2371, 55420), (2771, 47420), (3260, 40307), (4742, 27710), (5542, 23710), (9484, 13855), (11084, 11855)]