66801140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1901}}^1$

素因数の和:2168

約数の個数: 48

約数和(自身を含む): 161046144

約数和(自身を除く): 94245004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1757, 1901, 2510, 3514, 3802, 5020, 7028, 7604, 8785, 9505, 13307, 17570, 19010, 26614, 35140, 38020, 53228, 66535, 133070, 266140, 477151, 954302, 1908604, 2385755, 3340057, 4771510, 6680114, 9543020, 13360228, 16700285, 33400570, 66801140]

約数ペア:

[(1, 66801140), (2, 33400570), (4, 16700285), (5, 13360228), (7, 9543020), (10, 6680114), (14, 4771510), (20, 3340057), (28, 2385755), (35, 1908604), (70, 954302), (140, 477151), (251, 266140), (502, 133070), (1004, 66535), (1255, 53228), (1757, 38020), (1901, 35140), (2510, 26614), (3514, 19010), (3802, 17570), (5020, 13307), (7028, 9505), (7604, 8785)]