66516140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1571}}^1$

素因数の和:1682

約数の個数: 48

約数和(自身を含む): 146573280

約数和(自身を除く): 80057140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 580, 730, 1460, 1571, 2117, 3142, 4234, 6284, 7855, 8468, 10585, 15710, 21170, 31420, 42340, 45559, 91118, 114683, 182236, 227795, 229366, 455590, 458732, 573415, 911180, 1146830, 2293660, 3325807, 6651614, 13303228, 16629035, 33258070, 66516140]

約数ペア:

[(1, 66516140), (2, 33258070), (4, 16629035), (5, 13303228), (10, 6651614), (20, 3325807), (29, 2293660), (58, 1146830), (73, 911180), (116, 573415), (145, 458732), (146, 455590), (290, 229366), (292, 227795), (365, 182236), (580, 114683), (730, 91118), (1460, 45559), (1571, 42340), (2117, 31420), (3142, 21170), (4234, 15710), (6284, 10585), (7855, 8468)]