23980340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 52157952

約数和(自身を除く): 28177612

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 97, 188, 194, 235, 263, 388, 470, 485, 526, 940, 970, 1052, 1315, 1940, 2630, 4559, 5260, 9118, 12361, 18236, 22795, 24722, 25511, 45590, 49444, 51022, 61805, 91180, 102044, 123610, 127555, 247220, 255110, 510220, 1199017, 2398034, 4796068, 5995085, 11990170, 23980340]

約数ペア:

[(1, 23980340), (2, 11990170), (4, 5995085), (5, 4796068), (10, 2398034), (20, 1199017), (47, 510220), (94, 255110), (97, 247220), (188, 127555), (194, 123610), (235, 102044), (263, 91180), (388, 61805), (470, 51022), (485, 49444), (526, 45590), (940, 25511), (970, 24722), (1052, 22795), (1315, 18236), (1940, 12361), (2630, 9118), (4559, 5260)]