64190140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{458501}}^1$

素因数の和:458517

約数の個数: 24

約数和(自身を含む): 154056672

約数和(自身を除く): 89866532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 458501, 917002, 1834004, 2292505, 3209507, 4585010, 6419014, 9170020, 12838028, 16047535, 32095070, 64190140]

約数ペア:

[(1, 64190140), (2, 32095070), (4, 16047535), (5, 12838028), (7, 9170020), (10, 6419014), (14, 4585010), (20, 3209507), (28, 2292505), (35, 1834004), (70, 917002), (140, 458501)]