2516480

素因数分解:

$2^9\times 5^1\times {\mathrm{983}}^1$

素因数の和:1006

約数の個数: 40

約数和(自身を含む): 6039792

約数和(自身を除く): 3523312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 983, 1280, 1966, 2560, 3932, 4915, 7864, 9830, 15728, 19660, 31456, 39320, 62912, 78640, 125824, 157280, 251648, 314560, 503296, 629120, 1258240, 2516480]

約数ペア:

[(1, 2516480), (2, 1258240), (4, 629120), (5, 503296), (8, 314560), (10, 251648), (16, 157280), (20, 125824), (32, 78640), (40, 62912), (64, 39320), (80, 31456), (128, 19660), (160, 15728), (256, 9830), (320, 7864), (512, 4915), (640, 3932), (983, 2560), (1280, 1966)]