65640820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{24677}}^1$

素因数の和:24712

約数の個数: 48

約数和(自身を含む): 165836160

約数和(自身を除く): 100195340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 24677, 49354, 98708, 123385, 172739, 246770, 345478, 468863, 493540, 690956, 863695, 937726, 1727390, 1875452, 2344315, 3282041, 3454780, 4688630, 6564082, 9377260, 13128164, 16410205, 32820410, 65640820]

約数ペア:

[(1, 65640820), (2, 32820410), (4, 16410205), (5, 13128164), (7, 9377260), (10, 6564082), (14, 4688630), (19, 3454780), (20, 3282041), (28, 2344315), (35, 1875452), (38, 1727390), (70, 937726), (76, 863695), (95, 690956), (133, 493540), (140, 468863), (190, 345478), (266, 246770), (380, 172739), (532, 123385), (665, 98708), (1330, 49354), (2660, 24677)]