51660140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9973}}^1$

素因数の和:10026

約数の個数: 48

約数和(自身を含む): 127348032

約数和(自身を除く): 75687892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 9973, 19946, 39892, 49865, 69811, 99730, 139622, 199460, 279244, 349055, 369001, 698110, 738002, 1396220, 1476004, 1845005, 2583007, 3690010, 5166014, 7380020, 10332028, 12915035, 25830070, 51660140]

約数ペア:

[(1, 51660140), (2, 25830070), (4, 12915035), (5, 10332028), (7, 7380020), (10, 5166014), (14, 3690010), (20, 2583007), (28, 1845005), (35, 1476004), (37, 1396220), (70, 738002), (74, 698110), (140, 369001), (148, 349055), (185, 279244), (259, 199460), (370, 139622), (518, 99730), (740, 69811), (1036, 49865), (1295, 39892), (2590, 19946), (5180, 9973)]