About the Number

12907920

12907919 ← → 12907921

2進数表記:110001001111010110010000

漢数字表記:千二百九十万七千九百二十

素因数分解:

2 4 × 3 1 × 5 1 × 53783 1

素因数の和:53799
約数の個数: 40
約数和(自身を含む): 40015296
約数和(自身を除く): 27107376

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 53783, 107566, 161349, 215132, 268915, 322698, 430264, 537830, 645396, 806745, 860528, 1075660, 1290792, 1613490, 2151320, 2581584, 3226980, 4302640, 6453960, 12907920]

約数ペア:
[(1, 12907920), (2, 6453960), (3, 4302640), (4, 3226980), (5, 2581584), (6, 2151320), (8, 1613490), (10, 1290792), (12, 1075660), (15, 860528), (16, 806745), (20, 645396), (24, 537830), (30, 430264), (40, 322698), (48, 268915), (60, 215132), (80, 161349), (120, 107566), (240, 53783)]

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