40764080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10399}}^1$

素因数の和:10426

約数の個数: 60

約数和(自身を含む): 110260800

約数和(自身を除く): 69496720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 10399, 20798, 41596, 51995, 72793, 83192, 103990, 145586, 166384, 207980, 291172, 363965, 415960, 509551, 582344, 727930, 831920, 1019102, 1164688, 1455860, 2038204, 2547755, 2911720, 4076408, 5095510, 5823440, 8152816, 10191020, 20382040, 40764080]

約数ペア:

[(1, 40764080), (2, 20382040), (4, 10191020), (5, 8152816), (7, 5823440), (8, 5095510), (10, 4076408), (14, 2911720), (16, 2547755), (20, 2038204), (28, 1455860), (35, 1164688), (40, 1019102), (49, 831920), (56, 727930), (70, 582344), (80, 509551), (98, 415960), (112, 363965), (140, 291172), (196, 207980), (245, 166384), (280, 145586), (392, 103990), (490, 83192), (560, 72793), (784, 51995), (980, 41596), (1960, 20798), (3920, 10399)]