40890416

素因数分解:

$2^4\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1103}}^1$

素因数の和:1449

約数の個数: 40

約数和(自身を含む): 90898944

約数和(自身を除く): 50008528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 331, 662, 1103, 1324, 2206, 2317, 2648, 4412, 4634, 5296, 7721, 8824, 9268, 15442, 17648, 18536, 30884, 37072, 61768, 123536, 365093, 730186, 1460372, 2555651, 2920744, 5111302, 5841488, 10222604, 20445208, 40890416]

約数ペア:

[(1, 40890416), (2, 20445208), (4, 10222604), (7, 5841488), (8, 5111302), (14, 2920744), (16, 2555651), (28, 1460372), (56, 730186), (112, 365093), (331, 123536), (662, 61768), (1103, 37072), (1324, 30884), (2206, 18536), (2317, 17648), (2648, 15442), (4412, 9268), (4634, 8824), (5296, 7721)]