21882800

素因数分解:

$2^4\times 5^2\times {\mathrm{227}}^1\times {\mathrm{241}}^1$

素因数の和:486

約数の個数: 60

約数和(自身を含む): 53024136

約数和(自身を除く): 31141336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 227, 241, 400, 454, 482, 908, 964, 1135, 1205, 1816, 1928, 2270, 2410, 3632, 3856, 4540, 4820, 5675, 6025, 9080, 9640, 11350, 12050, 18160, 19280, 22700, 24100, 45400, 48200, 54707, 90800, 96400, 109414, 218828, 273535, 437656, 547070, 875312, 1094140, 1367675, 2188280, 2735350, 4376560, 5470700, 10941400, 21882800]

約数ペア:

[(1, 21882800), (2, 10941400), (4, 5470700), (5, 4376560), (8, 2735350), (10, 2188280), (16, 1367675), (20, 1094140), (25, 875312), (40, 547070), (50, 437656), (80, 273535), (100, 218828), (200, 109414), (227, 96400), (241, 90800), (400, 54707), (454, 48200), (482, 45400), (908, 24100), (964, 22700), (1135, 19280), (1205, 18160), (1816, 12050), (1928, 11350), (2270, 9640), (2410, 9080), (3632, 6025), (3856, 5675), (4540, 4820)]