80213972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 155971200

約数和(自身を除く): 75757228

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 109, 218, 421, 436, 437, 842, 874, 1684, 1748, 2071, 2507, 4142, 5014, 7999, 8284, 9683, 10028, 15998, 19366, 31996, 38732, 45889, 47633, 91778, 95266, 183556, 183977, 190532, 367954, 735908, 871891, 1055447, 1743782, 2110894, 3487564, 4221788, 20053493, 40106986, 80213972]

約数ペア:

[(1, 80213972), (2, 40106986), (4, 20053493), (19, 4221788), (23, 3487564), (38, 2110894), (46, 1743782), (76, 1055447), (92, 871891), (109, 735908), (218, 367954), (421, 190532), (436, 183977), (437, 183556), (842, 95266), (874, 91778), (1684, 47633), (1748, 45889), (2071, 38732), (2507, 31996), (4142, 19366), (5014, 15998), (7999, 10028), (8284, 9683)]