25620280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2473}}^1$

素因数の和:2528

約数の個数: 64

約数和(自身を含む): 67688640

約数和(自身を除く): 42068360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2473, 2590, 4946, 5180, 9892, 10360, 12365, 17311, 19784, 24730, 34622, 49460, 69244, 86555, 91501, 98920, 138488, 173110, 183002, 346220, 366004, 457505, 640507, 692440, 732008, 915010, 1281014, 1830020, 2562028, 3202535, 3660040, 5124056, 6405070, 12810140, 25620280]

約数ペア:

[(1, 25620280), (2, 12810140), (4, 6405070), (5, 5124056), (7, 3660040), (8, 3202535), (10, 2562028), (14, 1830020), (20, 1281014), (28, 915010), (35, 732008), (37, 692440), (40, 640507), (56, 457505), (70, 366004), (74, 346220), (140, 183002), (148, 173110), (185, 138488), (259, 98920), (280, 91501), (296, 86555), (370, 69244), (518, 49460), (740, 34622), (1036, 24730), (1295, 19784), (1480, 17311), (2072, 12365), (2473, 10360), (2590, 9892), (4946, 5180)]