About the Number

1328508740

1328508739 ← → 1328508741

2進数表記:1001111001011110110111101000100

漢数字表記:十三億二千八百五十万八千七百四十

素因数分解:

2 2 × 5 1 × 13 1 × 1721 1 × 2969 1

素因数の和:4712
約数の個数: 48
約数和(自身を含む): 3007231920
約数和(自身を除く): 1678723180

約数列:
[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1721, 2969, 3442, 5938, 6884, 8605, 11876, 14845, 17210, 22373, 29690, 34420, 38597, 44746, 59380, 77194, 89492, 111865, 154388, 192985, 223730, 385970, 447460, 771940, 5109649, 10219298, 20438596, 25548245, 51096490, 66425437, 102192980, 132850874, 265701748, 332127185, 664254370, 1328508740]

約数ペア:
[(1, 1328508740), (2, 664254370), (4, 332127185), (5, 265701748), (10, 132850874), (13, 102192980), (20, 66425437), (26, 51096490), (52, 25548245), (65, 20438596), (130, 10219298), (260, 5109649), (1721, 771940), (2969, 447460), (3442, 385970), (5938, 223730), (6884, 192985), (8605, 154388), (11876, 111865), (14845, 89492), (17210, 77194), (22373, 59380), (29690, 44746), (34420, 38597)]

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