204557960

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{36791}}^1$

素因数の和:36941

約数の個数: 32

約数和(自身を含む): 463579200

約数和(自身を除く): 259021240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 36791, 73582, 147164, 183955, 294328, 367910, 735820, 1471640, 5113949, 10227898, 20455796, 25569745, 40911592, 51139490, 102278980, 204557960]

約数ペア:

[(1, 204557960), (2, 102278980), (4, 51139490), (5, 40911592), (8, 25569745), (10, 20455796), (20, 10227898), (40, 5113949), (139, 1471640), (278, 735820), (556, 367910), (695, 294328), (1112, 183955), (1390, 147164), (2780, 73582), (5560, 36791)]