42646640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28057}}^1$

素因数の和:28089

約数の個数: 40

約数和(自身を含む): 104375760

約数和(自身を除く): 61729120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 28057, 56114, 112228, 140285, 224456, 280570, 448912, 533083, 561140, 1066166, 1122280, 2132332, 2244560, 2665415, 4264664, 5330830, 8529328, 10661660, 21323320, 42646640]

約数ペア:

[(1, 42646640), (2, 21323320), (4, 10661660), (5, 8529328), (8, 5330830), (10, 4264664), (16, 2665415), (19, 2244560), (20, 2132332), (38, 1122280), (40, 1066166), (76, 561140), (80, 533083), (95, 448912), (152, 280570), (190, 224456), (304, 140285), (380, 112228), (760, 56114), (1520, 28057)]