156659320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{91081}}^1$

素因数の和:91135

約数の個数: 32

約数和(自身を含む): 360684720

約数和(自身を除く): 204025400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 91081, 182162, 364324, 455405, 728648, 910810, 1821620, 3643240, 3916483, 7832966, 15665932, 19582415, 31331864, 39164830, 78329660, 156659320]

約数ペア:

[(1, 156659320), (2, 78329660), (4, 39164830), (5, 31331864), (8, 19582415), (10, 15665932), (20, 7832966), (40, 3916483), (43, 3643240), (86, 1821620), (172, 910810), (215, 728648), (344, 455405), (430, 364324), (860, 182162), (1720, 91081)]