71235640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{254413}}^1$

素因数の和:254431

約数の個数: 32

約数和(自身を含む): 183178080

約数和(自身を除く): 111942440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 254413, 508826, 1017652, 1272065, 1780891, 2035304, 2544130, 3561782, 5088260, 7123564, 8904455, 10176520, 14247128, 17808910, 35617820, 71235640]

約数ペア:

[(1, 71235640), (2, 35617820), (4, 17808910), (5, 14247128), (7, 10176520), (8, 8904455), (10, 7123564), (14, 5088260), (20, 3561782), (28, 2544130), (35, 2035304), (40, 1780891), (56, 1272065), (70, 1017652), (140, 508826), (280, 254413)]