20211457400

素因数分解:

$2^3\times 5^2\times {\mathrm{1019}}^1\times {\mathrm{99173}}^1$

素因数の和:100208

約数の個数: 48

約数和(自身を含む): 47038228200

約数和(自身を除く): 26826770800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1019, 2038, 4076, 5095, 8152, 10190, 20380, 25475, 40760, 50950, 99173, 101900, 198346, 203800, 396692, 495865, 793384, 991730, 1983460, 2479325, 3966920, 4958650, 9917300, 19834600, 101057287, 202114574, 404229148, 505286435, 808458296, 1010572870, 2021145740, 2526432175, 4042291480, 5052864350, 10105728700, 20211457400]

約数ペア:

[(1, 20211457400), (2, 10105728700), (4, 5052864350), (5, 4042291480), (8, 2526432175), (10, 2021145740), (20, 1010572870), (25, 808458296), (40, 505286435), (50, 404229148), (100, 202114574), (200, 101057287), (1019, 19834600), (2038, 9917300), (4076, 4958650), (5095, 3966920), (8152, 2479325), (10190, 1983460), (20380, 991730), (25475, 793384), (40760, 495865), (50950, 396692), (99173, 203800), (101900, 198346)]