8637980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{33223}}^1$

素因数の和:33245

約数の個数: 24

約数和(自身を含む): 19535712

約数和(自身を除く): 10897732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 33223, 66446, 132892, 166115, 332230, 431899, 664460, 863798, 1727596, 2159495, 4318990, 8637980]

約数ペア:

[(1, 8637980), (2, 4318990), (4, 2159495), (5, 1727596), (10, 863798), (13, 664460), (20, 431899), (26, 332230), (52, 166115), (65, 132892), (130, 66446), (260, 33223)]