165248560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89809}}^1$

素因数の和:89845

約数の個数: 40

約数和(自身を含む): 400911840

約数和(自身を除く): 235663280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 89809, 179618, 359236, 449045, 718472, 898090, 1436944, 1796180, 2065607, 3592360, 4131214, 7184720, 8262428, 10328035, 16524856, 20656070, 33049712, 41312140, 82624280, 165248560]

約数ペア:

[(1, 165248560), (2, 82624280), (4, 41312140), (5, 33049712), (8, 20656070), (10, 16524856), (16, 10328035), (20, 8262428), (23, 7184720), (40, 4131214), (46, 3592360), (80, 2065607), (92, 1796180), (115, 1436944), (184, 898090), (230, 718472), (368, 449045), (460, 359236), (920, 179618), (1840, 89809)]