About the Number

102972080

102972079 ← → 102972081

2進数表記:110001000110011101010110000

漢数字表記:一億二百九十七万二千八十

素因数分解:

2 4 × 5 1 × 31 1 × 41521 1

素因数の和:41565
約数の個数: 40
約数和(自身を含む): 247138944
約数和(自身を除く): 144166864

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 41521, 83042, 166084, 207605, 332168, 415210, 664336, 830420, 1287151, 1660840, 2574302, 3321680, 5148604, 6435755, 10297208, 12871510, 20594416, 25743020, 51486040, 102972080]

約数ペア:
[(1, 102972080), (2, 51486040), (4, 25743020), (5, 20594416), (8, 12871510), (10, 10297208), (16, 6435755), (20, 5148604), (31, 3321680), (40, 2574302), (62, 1660840), (80, 1287151), (124, 830420), (155, 664336), (248, 415210), (310, 332168), (496, 207605), (620, 166084), (1240, 83042), (2480, 41521)]

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