About the Number

1660640

1660639 ← → 1660641

2進数表記:110010101011011100000

漢数字表記:百六十六万六百四十

素因数分解:

2 5 × 5 1 × 97 1 × 107 1

素因数の和:219
約数の個数: 48
約数和(自身を含む): 4000752
約数和(自身を除く): 2340112

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 107, 160, 194, 214, 388, 428, 485, 535, 776, 856, 970, 1070, 1552, 1712, 1940, 2140, 3104, 3424, 3880, 4280, 7760, 8560, 10379, 15520, 17120, 20758, 41516, 51895, 83032, 103790, 166064, 207580, 332128, 415160, 830320, 1660640]

約数ペア:
[(1, 1660640), (2, 830320), (4, 415160), (5, 332128), (8, 207580), (10, 166064), (16, 103790), (20, 83032), (32, 51895), (40, 41516), (80, 20758), (97, 17120), (107, 15520), (160, 10379), (194, 8560), (214, 7760), (388, 4280), (428, 3880), (485, 3424), (535, 3104), (776, 2140), (856, 1940), (970, 1712), (1070, 1552)]

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