39427640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{140813}}^1$

素因数の和:140831

約数の個数: 32

約数和(自身を含む): 101386080

約数和(自身を除く): 61958440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 140813, 281626, 563252, 704065, 985691, 1126504, 1408130, 1971382, 2816260, 3942764, 4928455, 5632520, 7885528, 9856910, 19713820, 39427640]

約数ペア:

[(1, 39427640), (2, 19713820), (4, 9856910), (5, 7885528), (7, 5632520), (8, 4928455), (10, 3942764), (14, 2816260), (20, 1971382), (28, 1408130), (35, 1126504), (40, 985691), (56, 704065), (70, 563252), (140, 281626), (280, 140813)]