126814720

素因数分解:

$2^9\times 5^1\times {\mathrm{49537}}^1$

素因数の和:49560

約数の個数: 40

約数和(自身を含む): 304064244

約数和(自身を除く): 177249524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 49537, 99074, 198148, 247685, 396296, 495370, 792592, 990740, 1585184, 1981480, 3170368, 3962960, 6340736, 7925920, 12681472, 15851840, 25362944, 31703680, 63407360, 126814720]

約数ペア:

[(1, 126814720), (2, 63407360), (4, 31703680), (5, 25362944), (8, 15851840), (10, 12681472), (16, 7925920), (20, 6340736), (32, 3962960), (40, 3170368), (64, 1981480), (80, 1585184), (128, 990740), (160, 792592), (256, 495370), (320, 396296), (512, 247685), (640, 198148), (1280, 99074), (2560, 49537)]