31012480

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1031}}^1$

素因数の和:1097

約数の個数: 64

約数和(自身を含む): 75790080

約数和(自身を除く): 44777600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 640, 752, 940, 1031, 1504, 1880, 2062, 3008, 3760, 4124, 5155, 6016, 7520, 8248, 10310, 15040, 16496, 20620, 30080, 32992, 41240, 48457, 65984, 82480, 96914, 131968, 164960, 193828, 242285, 329920, 387656, 484570, 659840, 775312, 969140, 1550624, 1938280, 3101248, 3876560, 6202496, 7753120, 15506240, 31012480]

約数ペア:

[(1, 31012480), (2, 15506240), (4, 7753120), (5, 6202496), (8, 3876560), (10, 3101248), (16, 1938280), (20, 1550624), (32, 969140), (40, 775312), (47, 659840), (64, 484570), (80, 387656), (94, 329920), (128, 242285), (160, 193828), (188, 164960), (235, 131968), (320, 96914), (376, 82480), (470, 65984), (640, 48457), (752, 41240), (940, 32992), (1031, 30080), (1504, 20620), (1880, 16496), (2062, 15040), (3008, 10310), (3760, 8248), (4124, 7520), (5155, 6016)]