72640400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{25943}}^1$

素因数の和:25968

約数の個数: 60

約数和(自身を含む): 199457472

約数和(自身を除く): 126817072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 25943, 51886, 103772, 129715, 181601, 207544, 259430, 363202, 415088, 518860, 648575, 726404, 908005, 1037720, 1297150, 1452808, 1816010, 2075440, 2594300, 2905616, 3632020, 4540025, 5188600, 7264040, 9080050, 10377200, 14528080, 18160100, 36320200, 72640400]

約数ペア:

[(1, 72640400), (2, 36320200), (4, 18160100), (5, 14528080), (7, 10377200), (8, 9080050), (10, 7264040), (14, 5188600), (16, 4540025), (20, 3632020), (25, 2905616), (28, 2594300), (35, 2075440), (40, 1816010), (50, 1452808), (56, 1297150), (70, 1037720), (80, 908005), (100, 726404), (112, 648575), (140, 518860), (175, 415088), (200, 363202), (280, 259430), (350, 207544), (400, 181601), (560, 129715), (700, 103772), (1400, 51886), (2800, 25943)]