9881960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 24952320

約数和(自身を除く): 15070360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 607, 740, 814, 1214, 1480, 1628, 2035, 2428, 3035, 3256, 4070, 4856, 6070, 6677, 8140, 12140, 13354, 16280, 22459, 24280, 26708, 33385, 44918, 53416, 66770, 89836, 112295, 133540, 179672, 224590, 247049, 267080, 449180, 494098, 898360, 988196, 1235245, 1976392, 2470490, 4940980, 9881960]

約数ペア:

[(1, 9881960), (2, 4940980), (4, 2470490), (5, 1976392), (8, 1235245), (10, 988196), (11, 898360), (20, 494098), (22, 449180), (37, 267080), (40, 247049), (44, 224590), (55, 179672), (74, 133540), (88, 112295), (110, 89836), (148, 66770), (185, 53416), (220, 44918), (296, 33385), (370, 26708), (407, 24280), (440, 22459), (607, 16280), (740, 13354), (814, 12140), (1214, 8140), (1480, 6677), (1628, 6070), (2035, 4856), (2428, 4070), (3035, 3256)]