16808440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{38201}}^1$

素因数の和:38223

約数の個数: 32

約数和(自身を含む): 41258160

約数和(自身を除く): 24449720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 38201, 76402, 152804, 191005, 305608, 382010, 420211, 764020, 840422, 1528040, 1680844, 2101055, 3361688, 4202110, 8404220, 16808440]

約数ペア:

[(1, 16808440), (2, 8404220), (4, 4202110), (5, 3361688), (8, 2101055), (10, 1680844), (11, 1528040), (20, 840422), (22, 764020), (40, 420211), (44, 382010), (55, 305608), (88, 191005), (110, 152804), (220, 76402), (440, 38201)]