159891320

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{12853}}^1$

素因数の和:13175

約数の個数: 32

約数和(自身を含む): 360940320

約数和(自身を除く): 201049000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 12440, 12853, 25706, 51412, 64265, 102824, 128530, 257060, 514120, 3997283, 7994566, 15989132, 19986415, 31978264, 39972830, 79945660, 159891320]

約数ペア:

[(1, 159891320), (2, 79945660), (4, 39972830), (5, 31978264), (8, 19986415), (10, 15989132), (20, 7994566), (40, 3997283), (311, 514120), (622, 257060), (1244, 128530), (1555, 102824), (2488, 64265), (3110, 51412), (6220, 25706), (12440, 12853)]