1296076360

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{50549}}^1$

素因数の和:51201

約数の個数: 32

約数和(自身を含む): 2920779000

約数和(自身を除く): 1624702640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 6410, 12820, 25640, 50549, 101098, 202196, 252745, 404392, 505490, 1010980, 2021960, 32401909, 64803818, 129607636, 162009545, 259215272, 324019090, 648038180, 1296076360]

約数ペア:

[(1, 1296076360), (2, 648038180), (4, 324019090), (5, 259215272), (8, 162009545), (10, 129607636), (20, 64803818), (40, 32401909), (641, 2021960), (1282, 1010980), (2564, 505490), (3205, 404392), (5128, 252745), (6410, 202196), (12820, 101098), (25640, 50549)]