165797560

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{41039}}^1$

素因数の和:41151

約数の個数: 32

約数和(自身を含む): 376747200

約数和(自身を除く): 210949640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 41039, 82078, 164156, 205195, 328312, 410390, 820780, 1641560, 4144939, 8289878, 16579756, 20724695, 33159512, 41449390, 82898780, 165797560]

約数ペア:

[(1, 165797560), (2, 82898780), (4, 41449390), (5, 33159512), (8, 20724695), (10, 16579756), (20, 8289878), (40, 4144939), (101, 1641560), (202, 820780), (404, 410390), (505, 328312), (808, 205195), (1010, 164156), (2020, 82078), (4040, 41039)]