63874420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 137225088

約数和(自身を除く): 73350668

約数列:

[1, 2, 4, 5, 10, 20, 101, 103, 202, 206, 307, 404, 412, 505, 515, 614, 1010, 1030, 1228, 1535, 2020, 2060, 3070, 6140, 10403, 20806, 31007, 31621, 41612, 52015, 62014, 63242, 104030, 124028, 126484, 155035, 158105, 208060, 310070, 316210, 620140, 632420, 3193721, 6387442, 12774884, 15968605, 31937210, 63874420]

約数ペア:

[(1, 63874420), (2, 31937210), (4, 15968605), (5, 12774884), (10, 6387442), (20, 3193721), (101, 632420), (103, 620140), (202, 316210), (206, 310070), (307, 208060), (404, 158105), (412, 155035), (505, 126484), (515, 124028), (614, 104030), (1010, 63242), (1030, 62014), (1228, 52015), (1535, 41612), (2020, 31621), (2060, 31007), (3070, 20806), (6140, 10403)]