About the Number

1312889920

1312889919 ← → 1312889921

2進数表記:1001110010000010001110001000000

漢数字表記:十三億千二百八十八万九千九百二十

素因数分解:

2 6 × 5 1 × 683 1 × 6007 1

素因数の和:6707
約数の個数: 56
約数和(自身を含む): 3131417664
約数和(自身を除く): 1818527744

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 683, 1366, 2732, 3415, 5464, 6007, 6830, 10928, 12014, 13660, 21856, 24028, 27320, 30035, 43712, 48056, 54640, 60070, 96112, 109280, 120140, 192224, 218560, 240280, 384448, 480560, 961120, 1922240, 4102781, 8205562, 16411124, 20513905, 32822248, 41027810, 65644496, 82055620, 131288992, 164111240, 262577984, 328222480, 656444960, 1312889920]

約数ペア:
[(1, 1312889920), (2, 656444960), (4, 328222480), (5, 262577984), (8, 164111240), (10, 131288992), (16, 82055620), (20, 65644496), (32, 41027810), (40, 32822248), (64, 20513905), (80, 16411124), (160, 8205562), (320, 4102781), (683, 1922240), (1366, 961120), (2732, 480560), (3415, 384448), (5464, 240280), (6007, 218560), (6830, 192224), (10928, 120140), (12014, 109280), (13660, 96112), (21856, 60070), (24028, 54640), (27320, 48056), (30035, 43712)]

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