66684040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 156083760

約数和(自身を除く): 89399720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 73, 82, 146, 164, 205, 292, 328, 365, 410, 557, 584, 730, 820, 1114, 1460, 1640, 2228, 2785, 2920, 2993, 4456, 5570, 5986, 11140, 11972, 14965, 22280, 22837, 23944, 29930, 40661, 45674, 59860, 81322, 91348, 114185, 119720, 162644, 182696, 203305, 228370, 325288, 406610, 456740, 813220, 913480, 1626440, 1667101, 3334202, 6668404, 8335505, 13336808, 16671010, 33342020, 66684040]

約数ペア:

[(1, 66684040), (2, 33342020), (4, 16671010), (5, 13336808), (8, 8335505), (10, 6668404), (20, 3334202), (40, 1667101), (41, 1626440), (73, 913480), (82, 813220), (146, 456740), (164, 406610), (205, 325288), (292, 228370), (328, 203305), (365, 182696), (410, 162644), (557, 119720), (584, 114185), (730, 91348), (820, 81322), (1114, 59860), (1460, 45674), (1640, 40661), (2228, 29930), (2785, 23944), (2920, 22837), (2993, 22280), (4456, 14965), (5570, 11972), (5986, 11140)]