40820260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{929}}^1$

素因数の和:977

約数の個数: 48

約数和(自身を含む): 92962800

約数和(自身を除く): 52142540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 929, 1690, 1858, 2197, 3380, 3716, 4394, 4645, 8788, 9290, 10985, 12077, 18580, 21970, 24154, 43940, 48308, 60385, 120770, 157001, 241540, 314002, 628004, 785005, 1570010, 2041013, 3140020, 4082026, 8164052, 10205065, 20410130, 40820260]

約数ペア:

[(1, 40820260), (2, 20410130), (4, 10205065), (5, 8164052), (10, 4082026), (13, 3140020), (20, 2041013), (26, 1570010), (52, 785005), (65, 628004), (130, 314002), (169, 241540), (260, 157001), (338, 120770), (676, 60385), (845, 48308), (929, 43940), (1690, 24154), (1858, 21970), (2197, 18580), (3380, 12077), (3716, 10985), (4394, 9290), (4645, 8788)]