20180138720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{18017981}}^1$

素因数の和:18018003

約数の個数: 48

約数和(自身を含む): 54486377568

約数和(自身を除く): 34306238848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 18017981, 36035962, 72071924, 90089905, 126125867, 144143848, 180179810, 252251734, 288287696, 360359620, 504503468, 576575392, 630629335, 720719240, 1009006936, 1261258670, 1441438480, 2018013872, 2522517340, 2882876960, 4036027744, 5045034680, 10090069360, 20180138720]

約数ペア:

[(1, 20180138720), (2, 10090069360), (4, 5045034680), (5, 4036027744), (7, 2882876960), (8, 2522517340), (10, 2018013872), (14, 1441438480), (16, 1261258670), (20, 1009006936), (28, 720719240), (32, 630629335), (35, 576575392), (40, 504503468), (56, 360359620), (70, 288287696), (80, 252251734), (112, 180179810), (140, 144143848), (160, 126125867), (224, 90089905), (280, 72071924), (560, 36035962), (1120, 18017981)]