2187664280

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{563831}}^1$

素因数の和:563939

約数の個数: 32

約数和(自身を含む): 4972998240

約数和(自身を除く): 2785333960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 563831, 1127662, 2255324, 2819155, 4510648, 5638310, 11276620, 22553240, 54691607, 109383214, 218766428, 273458035, 437532856, 546916070, 1093832140, 2187664280]

約数ペア:

[(1, 2187664280), (2, 1093832140), (4, 546916070), (5, 437532856), (8, 273458035), (10, 218766428), (20, 109383214), (40, 54691607), (97, 22553240), (194, 11276620), (388, 5638310), (485, 4510648), (776, 2819155), (970, 2255324), (1940, 1127662), (3880, 563831)]