9872020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 22155840

約数和(自身を除く): 12283820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 313, 332, 380, 415, 626, 830, 1252, 1565, 1577, 1660, 3130, 3154, 5947, 6260, 6308, 7885, 11894, 15770, 23788, 25979, 29735, 31540, 51958, 59470, 103916, 118940, 129895, 259790, 493601, 519580, 987202, 1974404, 2468005, 4936010, 9872020]

約数ペア:

[(1, 9872020), (2, 4936010), (4, 2468005), (5, 1974404), (10, 987202), (19, 519580), (20, 493601), (38, 259790), (76, 129895), (83, 118940), (95, 103916), (166, 59470), (190, 51958), (313, 31540), (332, 29735), (380, 25979), (415, 23788), (626, 15770), (830, 11894), (1252, 7885), (1565, 6308), (1577, 6260), (1660, 5947), (3130, 3154)]