126878720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{24781}}^1$

素因数の和:24806

約数の個数: 44

約数和(自身を含む): 304372524

約数和(自身を除く): 177493804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 24781, 49562, 99124, 123905, 198248, 247810, 396496, 495620, 792992, 991240, 1585984, 1982480, 3171968, 3964960, 6343936, 7929920, 12687872, 15859840, 25375744, 31719680, 63439360, 126878720]

約数ペア:

[(1, 126878720), (2, 63439360), (4, 31719680), (5, 25375744), (8, 15859840), (10, 12687872), (16, 7929920), (20, 6343936), (32, 3964960), (40, 3171968), (64, 1982480), (80, 1585984), (128, 991240), (160, 792992), (256, 495620), (320, 396496), (512, 247810), (640, 198248), (1024, 123905), (1280, 99124), (2560, 49562), (5120, 24781)]