About the Number

121032640

121032639 ← → 121032641

2進数表記:111001101101100111111000000

漢数字表記:一億二千百三万二千六百四十

素因数分解:

2 6 × 5 1 × 179 1 × 2113 1

素因数の和:2309
約数の個数: 56
約数和(自身を含む): 289956240
約数和(自身を除く): 168923600

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 179, 320, 358, 716, 895, 1432, 1790, 2113, 2864, 3580, 4226, 5728, 7160, 8452, 10565, 11456, 14320, 16904, 21130, 28640, 33808, 42260, 57280, 67616, 84520, 135232, 169040, 338080, 378227, 676160, 756454, 1512908, 1891135, 3025816, 3782270, 6051632, 7564540, 12103264, 15129080, 24206528, 30258160, 60516320, 121032640]

約数ペア:
[(1, 121032640), (2, 60516320), (4, 30258160), (5, 24206528), (8, 15129080), (10, 12103264), (16, 7564540), (20, 6051632), (32, 3782270), (40, 3025816), (64, 1891135), (80, 1512908), (160, 756454), (179, 676160), (320, 378227), (358, 338080), (716, 169040), (895, 135232), (1432, 84520), (1790, 67616), (2113, 57280), (2864, 42260), (3580, 33808), (4226, 28640), (5728, 21130), (7160, 16904), (8452, 14320), (10565, 11456)]

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