40401140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11953}}^1$

素因数の和:11988

約数の個数: 36

約数和(自身を含む): 91878444

約数和(自身を除く): 51477304

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 11953, 23906, 47812, 59765, 119530, 155389, 239060, 310778, 621556, 776945, 1553890, 2020057, 3107780, 4040114, 8080228, 10100285, 20200570, 40401140]

約数ペア:

[(1, 40401140), (2, 20200570), (4, 10100285), (5, 8080228), (10, 4040114), (13, 3107780), (20, 2020057), (26, 1553890), (52, 776945), (65, 621556), (130, 310778), (169, 239060), (260, 155389), (338, 119530), (676, 59765), (845, 47812), (1690, 23906), (3380, 11953)]