20210370800

素因数分解:

$2^4\times 5^2\times {\mathrm{4397}}^1\times {\mathrm{11491}}^1$

素因数の和:15906

約数の個数: 60

約数和(自身を含む): 48570685176

約数和(自身を除く): 28360314376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 4397, 8794, 11491, 17588, 21985, 22982, 35176, 43970, 45964, 57455, 70352, 87940, 91928, 109925, 114910, 175880, 183856, 219850, 229820, 287275, 351760, 439700, 459640, 574550, 879400, 919280, 1149100, 1758800, 2298200, 4596400, 50525927, 101051854, 202103708, 252629635, 404207416, 505259270, 808414832, 1010518540, 1263148175, 2021037080, 2526296350, 4042074160, 5052592700, 10105185400, 20210370800]

約数ペア:

[(1, 20210370800), (2, 10105185400), (4, 5052592700), (5, 4042074160), (8, 2526296350), (10, 2021037080), (16, 1263148175), (20, 1010518540), (25, 808414832), (40, 505259270), (50, 404207416), (80, 252629635), (100, 202103708), (200, 101051854), (400, 50525927), (4397, 4596400), (8794, 2298200), (11491, 1758800), (17588, 1149100), (21985, 919280), (22982, 879400), (35176, 574550), (43970, 459640), (45964, 439700), (57455, 351760), (70352, 287275), (87940, 229820), (91928, 219850), (109925, 183856), (114910, 175880)]