40302520

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2887}}^1$

素因数の和:3247

約数の個数: 32

約数和(自身を含む): 90972000

約数和(自身を除く): 50669480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 2887, 3490, 5774, 6980, 11548, 13960, 14435, 23096, 28870, 57740, 115480, 1007563, 2015126, 4030252, 5037815, 8060504, 10075630, 20151260, 40302520]

約数ペア:

[(1, 40302520), (2, 20151260), (4, 10075630), (5, 8060504), (8, 5037815), (10, 4030252), (20, 2015126), (40, 1007563), (349, 115480), (698, 57740), (1396, 28870), (1745, 23096), (2792, 14435), (2887, 13960), (3490, 11548), (5774, 6980)]