20180175104

素因数分解:

$2^8\times {\mathrm{251}}^1\times {\mathrm{314059}}^1$

素因数の和:314326

約数の個数: 36

約数和(自身を含む): 40442134320

約数和(自身を除く): 20261959216

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 251, 256, 502, 1004, 2008, 4016, 8032, 16064, 32128, 64256, 314059, 628118, 1256236, 2512472, 5024944, 10049888, 20099776, 40199552, 78828809, 80399104, 157657618, 315315236, 630630472, 1261260944, 2522521888, 5045043776, 10090087552, 20180175104]

約数ペア:

[(1, 20180175104), (2, 10090087552), (4, 5045043776), (8, 2522521888), (16, 1261260944), (32, 630630472), (64, 315315236), (128, 157657618), (251, 80399104), (256, 78828809), (502, 40199552), (1004, 20099776), (2008, 10049888), (4016, 5024944), (8032, 2512472), (16064, 1256236), (32128, 628118), (64256, 314059)]