165520760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{96233}}^1$

素因数の和:96287

約数の個数: 32

約数和(自身を含む): 381086640

約数和(自身を除く): 215565880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 96233, 192466, 384932, 481165, 769864, 962330, 1924660, 3849320, 4138019, 8276038, 16552076, 20690095, 33104152, 41380190, 82760380, 165520760]

約数ペア:

[(1, 165520760), (2, 82760380), (4, 41380190), (5, 33104152), (8, 20690095), (10, 16552076), (20, 8276038), (40, 4138019), (43, 3849320), (86, 1924660), (172, 962330), (215, 769864), (344, 481165), (430, 384932), (860, 192466), (1720, 96233)]