20131560760

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1229}}^1\times {\mathrm{8713}}^1$

素因数の和:10000

約数の個数: 64

約数和(自身を含む): 46302710400

約数和(自身を除く): 26171149640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1229, 1880, 2458, 4916, 6145, 8713, 9832, 12290, 17426, 24580, 34852, 43565, 49160, 57763, 69704, 87130, 115526, 174260, 231052, 288815, 348520, 409511, 462104, 577630, 819022, 1155260, 1638044, 2047555, 2310520, 3276088, 4095110, 8190220, 10708277, 16380440, 21416554, 42833108, 53541385, 85666216, 107082770, 214165540, 428331080, 503289019, 1006578038, 2013156076, 2516445095, 4026312152, 5032890190, 10065780380, 20131560760]

約数ペア:

[(1, 20131560760), (2, 10065780380), (4, 5032890190), (5, 4026312152), (8, 2516445095), (10, 2013156076), (20, 1006578038), (40, 503289019), (47, 428331080), (94, 214165540), (188, 107082770), (235, 85666216), (376, 53541385), (470, 42833108), (940, 21416554), (1229, 16380440), (1880, 10708277), (2458, 8190220), (4916, 4095110), (6145, 3276088), (8713, 2310520), (9832, 2047555), (12290, 1638044), (17426, 1155260), (24580, 819022), (34852, 577630), (43565, 462104), (49160, 409511), (57763, 348520), (69704, 288815), (87130, 231052), (115526, 174260)]