63864520

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{5101}}^1$

素因数の和:5425

約数の個数: 32

約数和(自身を含む): 144182520

約数和(自身を除く): 80318000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 5101, 6260, 10202, 12520, 20404, 25505, 40808, 51010, 102020, 204040, 1596613, 3193226, 6386452, 7983065, 12772904, 15966130, 31932260, 63864520]

約数ペア:

[(1, 63864520), (2, 31932260), (4, 15966130), (5, 12772904), (8, 7983065), (10, 6386452), (20, 3193226), (40, 1596613), (313, 204040), (626, 102020), (1252, 51010), (1565, 40808), (2504, 25505), (3130, 20404), (5101, 12520), (6260, 10202)]