40400080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3797}}^1$

素因数の和:3836

約数の個数: 80

約数和(自身を含む): 113028480

約数和(自身を除く): 72628400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 3797, 5320, 7594, 10640, 15188, 18985, 26579, 30376, 37970, 53158, 60752, 72143, 75940, 106316, 132895, 144286, 151880, 212632, 265790, 288572, 303760, 360715, 425264, 505001, 531580, 577144, 721430, 1010002, 1063160, 1154288, 1442860, 2020004, 2126320, 2525005, 2885720, 4040008, 5050010, 5771440, 8080016, 10100020, 20200040, 40400080]

約数ペア:

[(1, 40400080), (2, 20200040), (4, 10100020), (5, 8080016), (7, 5771440), (8, 5050010), (10, 4040008), (14, 2885720), (16, 2525005), (19, 2126320), (20, 2020004), (28, 1442860), (35, 1154288), (38, 1063160), (40, 1010002), (56, 721430), (70, 577144), (76, 531580), (80, 505001), (95, 425264), (112, 360715), (133, 303760), (140, 288572), (152, 265790), (190, 212632), (266, 151880), (280, 144286), (304, 132895), (380, 106316), (532, 75940), (560, 72143), (665, 60752), (760, 53158), (1064, 37970), (1330, 30376), (1520, 26579), (2128, 18985), (2660, 15188), (3797, 10640), (5320, 7594)]