About the Number

13129090

13129089 ← → 13129091

2進数表記:110010000101010110000010

漢数字表記:千三百十二万九千九十

素因数分解:

2 1 × 5 1 × 13 1 × 23 1 × 4391 1

素因数の和:4434
約数の個数: 32
約数和(自身を含む): 26562816
約数和(自身を除く): 13433726

約数列:
[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 4391, 8782, 21955, 43910, 57083, 100993, 114166, 201986, 285415, 504965, 570830, 1009930, 1312909, 2625818, 6564545, 13129090]

約数ペア:
[(1, 13129090), (2, 6564545), (5, 2625818), (10, 1312909), (13, 1009930), (23, 570830), (26, 504965), (46, 285415), (65, 201986), (115, 114166), (130, 100993), (230, 57083), (299, 43910), (598, 21955), (1495, 8782), (2990, 4391)]

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