30984280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{16481}}^1$

素因数の和:16539

約数の個数: 32

約数和(自身を含む): 71202240

約数和(自身を除く): 40217960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 16481, 32962, 65924, 82405, 131848, 164810, 329620, 659240, 774607, 1549214, 3098428, 3873035, 6196856, 7746070, 15492140, 30984280]

約数ペア:

[(1, 30984280), (2, 15492140), (4, 7746070), (5, 6196856), (8, 3873035), (10, 3098428), (20, 1549214), (40, 774607), (47, 659240), (94, 329620), (188, 164810), (235, 131848), (376, 82405), (470, 65924), (940, 32962), (1880, 16481)]