74460520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{43291}}^1$

素因数の和:43345

約数の個数: 32

約数和(自身を含む): 171436320

約数和(自身を除く): 96975800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 43291, 86582, 173164, 216455, 346328, 432910, 865820, 1731640, 1861513, 3723026, 7446052, 9307565, 14892104, 18615130, 37230260, 74460520]

約数ペア:

[(1, 74460520), (2, 37230260), (4, 18615130), (5, 14892104), (8, 9307565), (10, 7446052), (20, 3723026), (40, 1861513), (43, 1731640), (86, 865820), (172, 432910), (215, 346328), (344, 216455), (430, 173164), (860, 86582), (1720, 43291)]