About the Number

129208040

129208039 ← → 129208041

2進数表記:111101100111000111011101000

漢数字表記:一億二千九百二十万八千四十

素因数分解:

2 3 × 5 1 × 13 1 × 248477 1

素因数の和:248501
約数の個数: 32
約数和(自身を含む): 313082280
約数和(自身を除く): 183874240

約数列:
[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 248477, 496954, 993908, 1242385, 1987816, 2484770, 3230201, 4969540, 6460402, 9939080, 12920804, 16151005, 25841608, 32302010, 64604020, 129208040]

約数ペア:
[(1, 129208040), (2, 64604020), (4, 32302010), (5, 25841608), (8, 16151005), (10, 12920804), (13, 9939080), (20, 6460402), (26, 4969540), (40, 3230201), (52, 2484770), (65, 1987816), (104, 1242385), (130, 993908), (260, 496954), (520, 248477)]

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