15930550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:481

約数の個数: 48

約数和(自身を含む): 32029200

約数和(自身を除く): 16098650

約数列:

[1, 2, 5, 10, 19, 25, 38, 41, 50, 82, 95, 190, 205, 409, 410, 475, 779, 818, 950, 1025, 1558, 2045, 2050, 3895, 4090, 7771, 7790, 10225, 15542, 16769, 19475, 20450, 33538, 38855, 38950, 77710, 83845, 167690, 194275, 318611, 388550, 419225, 637222, 838450, 1593055, 3186110, 7965275, 15930550]

約数ペア:

[(1, 15930550), (2, 7965275), (5, 3186110), (10, 1593055), (19, 838450), (25, 637222), (38, 419225), (41, 388550), (50, 318611), (82, 194275), (95, 167690), (190, 83845), (205, 77710), (409, 38950), (410, 38855), (475, 33538), (779, 20450), (818, 19475), (950, 16769), (1025, 15542), (1558, 10225), (2045, 7790), (2050, 7771), (3895, 4090)]