About the Number

25284990

25284989 ← → 25284991

2進数表記:1100000011101000101111110

漢数字表記:二千五百二十八万四千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 97 1 × 8689 1

素因数の和:8796
約数の個数: 32
約数和(自身を含む): 61316640
約数和(自身を除く): 36031650

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 97, 194, 291, 485, 582, 970, 1455, 2910, 8689, 17378, 26067, 43445, 52134, 86890, 130335, 260670, 842833, 1685666, 2528499, 4214165, 5056998, 8428330, 12642495, 25284990]

約数ペア:
[(1, 25284990), (2, 12642495), (3, 8428330), (5, 5056998), (6, 4214165), (10, 2528499), (15, 1685666), (30, 842833), (97, 260670), (194, 130335), (291, 86890), (485, 52134), (582, 43445), (970, 26067), (1455, 17378), (2910, 8689)]

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