191260040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{90217}}^1$

素因数の和:90281

約数の個数: 32

約数和(自身を含む): 438459480

約数和(自身を除く): 247199440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 90217, 180434, 360868, 451085, 721736, 902170, 1804340, 3608680, 4781501, 9563002, 19126004, 23907505, 38252008, 47815010, 95630020, 191260040]

約数ペア:

[(1, 191260040), (2, 95630020), (4, 47815010), (5, 38252008), (8, 23907505), (10, 19126004), (20, 9563002), (40, 4781501), (53, 3608680), (106, 1804340), (212, 902170), (265, 721736), (424, 451085), (530, 360868), (1060, 180434), (2120, 90217)]