About the Number

12480390

12480389 ← → 12480391

2進数表記:101111100110111110000110

漢数字表記:千二百四十八万三百九十

素因数分解:

2 1 × 3 2 × 5 1 × 13 1 × 10667 1

素因数の和:10693
約数の個数: 48
約数和(自身を含む): 34948368
約数和(自身を除く): 22467978

約数列:
[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 10667, 21334, 32001, 53335, 64002, 96003, 106670, 138671, 160005, 192006, 277342, 320010, 416013, 480015, 693355, 832026, 960030, 1248039, 1386710, 2080065, 2496078, 4160130, 6240195, 12480390]

約数ペア:
[(1, 12480390), (2, 6240195), (3, 4160130), (5, 2496078), (6, 2080065), (9, 1386710), (10, 1248039), (13, 960030), (15, 832026), (18, 693355), (26, 480015), (30, 416013), (39, 320010), (45, 277342), (65, 192006), (78, 160005), (90, 138671), (117, 106670), (130, 96003), (195, 64002), (234, 53335), (390, 32001), (585, 21334), (1170, 10667)]

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