166481720

素因数分解:

$2^3\times 5^1\times {\mathrm{941}}^1\times {\mathrm{4423}}^1$

素因数の和:5375

約数の個数: 32

約数和(自身を含む): 375066720

約数和(自身を除く): 208585000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 941, 1882, 3764, 4423, 4705, 7528, 8846, 9410, 17692, 18820, 22115, 35384, 37640, 44230, 88460, 176920, 4162043, 8324086, 16648172, 20810215, 33296344, 41620430, 83240860, 166481720]

約数ペア:

[(1, 166481720), (2, 83240860), (4, 41620430), (5, 33296344), (8, 20810215), (10, 16648172), (20, 8324086), (40, 4162043), (941, 176920), (1882, 88460), (3764, 44230), (4423, 37640), (4705, 35384), (7528, 22115), (8846, 18820), (9410, 17692)]