About the Number

2147088640

2147088639 ← → 2147088641

2進数表記:1111111111110011111100100000000

漢数字表記:二十一億四千七百八万八千六百四十

素因数分解:

2 8 × 5 1 × 23 1 × 72931 1

素因数の和:72975
約数の個数: 72
約数和(自身を含む): 5366628288
約数和(自身を除く): 3219539648

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2944, 3680, 5888, 7360, 14720, 29440, 72931, 145862, 291724, 364655, 583448, 729310, 1166896, 1458620, 1677413, 2333792, 2917240, 3354826, 4667584, 5834480, 6709652, 8387065, 9335168, 11668960, 13419304, 16774130, 18670336, 23337920, 26838608, 33548260, 46675840, 53677216, 67096520, 93351680, 107354432, 134193040, 214708864, 268386080, 429417728, 536772160, 1073544320, 2147088640]

約数ペア:
[(1, 2147088640), (2, 1073544320), (4, 536772160), (5, 429417728), (8, 268386080), (10, 214708864), (16, 134193040), (20, 107354432), (23, 93351680), (32, 67096520), (40, 53677216), (46, 46675840), (64, 33548260), (80, 26838608), (92, 23337920), (115, 18670336), (128, 16774130), (160, 13419304), (184, 11668960), (230, 9335168), (256, 8387065), (320, 6709652), (368, 5834480), (460, 4667584), (640, 3354826), (736, 2917240), (920, 2333792), (1280, 1677413), (1472, 1458620), (1840, 1166896), (2944, 729310), (3680, 583448), (5888, 364655), (7360, 291724), (14720, 145862), (29440, 72931)]

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