66661040

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{17729}}^1$

素因数の和:17789

約数の個数: 40

約数和(自身を含む): 158293440

約数和(自身を除く): 91632400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 17729, 35458, 70916, 88645, 141832, 177290, 283664, 354580, 709160, 833263, 1418320, 1666526, 3333052, 4166315, 6666104, 8332630, 13332208, 16665260, 33330520, 66661040]

約数ペア:

[(1, 66661040), (2, 33330520), (4, 16665260), (5, 13332208), (8, 8332630), (10, 6666104), (16, 4166315), (20, 3333052), (40, 1666526), (47, 1418320), (80, 833263), (94, 709160), (188, 354580), (235, 283664), (376, 177290), (470, 141832), (752, 88645), (940, 70916), (1880, 35458), (3760, 17729)]