12748257650

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{36263}}^1$

素因数の和:36443

約数の個数: 48

約数和(自身を含む): 24282374400

約数和(自身を除く): 11534116750

約数列:

[1, 2, 5, 10, 25, 50, 79, 89, 158, 178, 395, 445, 790, 890, 1975, 2225, 3950, 4450, 7031, 14062, 35155, 36263, 70310, 72526, 175775, 181315, 351550, 362630, 906575, 1813150, 2864777, 3227407, 5729554, 6454814, 14323885, 16137035, 28647770, 32274070, 71619425, 80685175, 143238850, 161370350, 254965153, 509930306, 1274825765, 2549651530, 6374128825, 12748257650]

約数ペア:

[(1, 12748257650), (2, 6374128825), (5, 2549651530), (10, 1274825765), (25, 509930306), (50, 254965153), (79, 161370350), (89, 143238850), (158, 80685175), (178, 71619425), (395, 32274070), (445, 28647770), (790, 16137035), (890, 14323885), (1975, 6454814), (2225, 5729554), (3950, 3227407), (4450, 2864777), (7031, 1813150), (14062, 906575), (35155, 362630), (36263, 351550), (70310, 181315), (72526, 175775)]