51240560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2473}}^1$

素因数の和:2530

約数の個数: 80

約数和(自身を含む): 139889856

約数和(自身を除く): 88649296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1480, 2072, 2473, 2590, 2960, 4144, 4946, 5180, 9892, 10360, 12365, 17311, 19784, 20720, 24730, 34622, 39568, 49460, 69244, 86555, 91501, 98920, 138488, 173110, 183002, 197840, 276976, 346220, 366004, 457505, 640507, 692440, 732008, 915010, 1281014, 1384880, 1464016, 1830020, 2562028, 3202535, 3660040, 5124056, 6405070, 7320080, 10248112, 12810140, 25620280, 51240560]

約数ペア:

[(1, 51240560), (2, 25620280), (4, 12810140), (5, 10248112), (7, 7320080), (8, 6405070), (10, 5124056), (14, 3660040), (16, 3202535), (20, 2562028), (28, 1830020), (35, 1464016), (37, 1384880), (40, 1281014), (56, 915010), (70, 732008), (74, 692440), (80, 640507), (112, 457505), (140, 366004), (148, 346220), (185, 276976), (259, 197840), (280, 183002), (296, 173110), (370, 138488), (518, 98920), (560, 91501), (592, 86555), (740, 69244), (1036, 49460), (1295, 39568), (1480, 34622), (2072, 24730), (2473, 20720), (2590, 19784), (2960, 17311), (4144, 12365), (4946, 10360), (5180, 9892)]