About the Number

71325020

71325019 ← → 71325021

2進数表記:100010000000101010101011100

漢数字表記:七千百三十二万五千二十

素因数分解:

2 2 × 5 1 × 13 1 × 397 1 × 691 1

素因数の和:1110
約数の個数: 48
約数和(自身を含む): 161944608
約数和(自身を除く): 90619588

約数列:
[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 397, 691, 794, 1382, 1588, 1985, 2764, 3455, 3970, 5161, 6910, 7940, 8983, 10322, 13820, 17966, 20644, 25805, 35932, 44915, 51610, 89830, 103220, 179660, 274327, 548654, 1097308, 1371635, 2743270, 3566251, 5486540, 7132502, 14265004, 17831255, 35662510, 71325020]

約数ペア:
[(1, 71325020), (2, 35662510), (4, 17831255), (5, 14265004), (10, 7132502), (13, 5486540), (20, 3566251), (26, 2743270), (52, 1371635), (65, 1097308), (130, 548654), (260, 274327), (397, 179660), (691, 103220), (794, 89830), (1382, 51610), (1588, 44915), (1985, 35932), (2764, 25805), (3455, 20644), (3970, 17966), (5161, 13820), (6910, 10322), (7940, 8983)]

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