66078260

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{13163}}^1$

素因数の和:13423

約数の個数: 24

約数和(自身を含む): 139327776

約数和(自身を除く): 73249516

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 13163, 26326, 52652, 65815, 131630, 263260, 3303913, 6607826, 13215652, 16519565, 33039130, 66078260]

約数ペア:

[(1, 66078260), (2, 33039130), (4, 16519565), (5, 13215652), (10, 6607826), (20, 3303913), (251, 263260), (502, 131630), (1004, 65815), (1255, 52652), (2510, 26326), (5020, 13163)]