About the Number

12387830

12387829 ← → 12387831

2進数表記:101111010000010111110110

漢数字表記:千二百三十八万七千八百三十

素因数分解:

2 1 × 5 1 × 7 1 × 13 1 × 13613 1

素因数の和:13640
約数の個数: 32
約数和(自身を含む): 27445824
約数和(自身を除く): 15057994

約数列:
[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 13613, 27226, 68065, 95291, 136130, 176969, 190582, 353938, 476455, 884845, 952910, 1238783, 1769690, 2477566, 6193915, 12387830]

約数ペア:
[(1, 12387830), (2, 6193915), (5, 2477566), (7, 1769690), (10, 1238783), (13, 952910), (14, 884845), (26, 476455), (35, 353938), (65, 190582), (70, 176969), (91, 136130), (130, 95291), (182, 68065), (455, 27226), (910, 13613)]

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