About the Number

25041990

25041989 ← → 25041991

2進数表記:1011111100001110001000110

漢数字表記:二千五百四万千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 307 1 × 2719 1

素因数の和:3036
約数の個数: 32
約数和(自身を含む): 60318720
約数和(自身を除く): 35276730

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 307, 614, 921, 1535, 1842, 2719, 3070, 4605, 5438, 8157, 9210, 13595, 16314, 27190, 40785, 81570, 834733, 1669466, 2504199, 4173665, 5008398, 8347330, 12520995, 25041990]

約数ペア:
[(1, 25041990), (2, 12520995), (3, 8347330), (5, 5008398), (6, 4173665), (10, 2504199), (15, 1669466), (30, 834733), (307, 81570), (614, 40785), (921, 27190), (1535, 16314), (1842, 13595), (2719, 9210), (3070, 8157), (4605, 5438)]

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