20171335240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72040483}}^1$

素因数の和:72040501

約数の個数: 32

約数和(自身を含む): 51869148480

約数和(自身を除く): 31697813240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72040483, 144080966, 288161932, 360202415, 504283381, 576323864, 720404830, 1008566762, 1440809660, 2017133524, 2521416905, 2881619320, 4034267048, 5042833810, 10085667620, 20171335240]

約数ペア:

[(1, 20171335240), (2, 10085667620), (4, 5042833810), (5, 4034267048), (7, 2881619320), (8, 2521416905), (10, 2017133524), (14, 1440809660), (20, 1008566762), (28, 720404830), (35, 576323864), (40, 504283381), (56, 360202415), (70, 288161932), (140, 144080966), (280, 72040483)]