16448020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 35925120

約数和(自身を除く): 19477100

約数列:

[1, 2, 4, 5, 10, 20, 53, 59, 106, 118, 212, 236, 263, 265, 295, 526, 530, 590, 1052, 1060, 1180, 1315, 2630, 3127, 5260, 6254, 12508, 13939, 15517, 15635, 27878, 31034, 31270, 55756, 62068, 62540, 69695, 77585, 139390, 155170, 278780, 310340, 822401, 1644802, 3289604, 4112005, 8224010, 16448020]

約数ペア:

[(1, 16448020), (2, 8224010), (4, 4112005), (5, 3289604), (10, 1644802), (20, 822401), (53, 310340), (59, 278780), (106, 155170), (118, 139390), (212, 77585), (236, 69695), (263, 62540), (265, 62068), (295, 55756), (526, 31270), (530, 31034), (590, 27878), (1052, 15635), (1060, 15517), (1180, 13939), (1315, 12508), (2630, 6254), (3127, 5260)]