39061720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 93600000

約数和(自身を除く): 54538280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 103, 152, 190, 206, 380, 412, 499, 515, 760, 824, 998, 1030, 1957, 1996, 2060, 2495, 3914, 3992, 4120, 4990, 7828, 9481, 9785, 9980, 15656, 18962, 19570, 19960, 37924, 39140, 47405, 51397, 75848, 78280, 94810, 102794, 189620, 205588, 256985, 379240, 411176, 513970, 976543, 1027940, 1953086, 2055880, 3906172, 4882715, 7812344, 9765430, 19530860, 39061720]

約数ペア:

[(1, 39061720), (2, 19530860), (4, 9765430), (5, 7812344), (8, 4882715), (10, 3906172), (19, 2055880), (20, 1953086), (38, 1027940), (40, 976543), (76, 513970), (95, 411176), (103, 379240), (152, 256985), (190, 205588), (206, 189620), (380, 102794), (412, 94810), (499, 78280), (515, 75848), (760, 51397), (824, 47405), (998, 39140), (1030, 37924), (1957, 19960), (1996, 19570), (2060, 18962), (2495, 15656), (3914, 9980), (3992, 9785), (4120, 9481), (4990, 7828)]