1330905040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{386891}}^1$

素因数の和:386947

約数の個数: 40

約数和(自身を含む): 3166324128

約数和(自身を除く): 1835419088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 386891, 773782, 1547564, 1934455, 3095128, 3868910, 6190256, 7737820, 15475640, 16636313, 30951280, 33272626, 66545252, 83181565, 133090504, 166363130, 266181008, 332726260, 665452520, 1330905040]

約数ペア:

[(1, 1330905040), (2, 665452520), (4, 332726260), (5, 266181008), (8, 166363130), (10, 133090504), (16, 83181565), (20, 66545252), (40, 33272626), (43, 30951280), (80, 16636313), (86, 15475640), (172, 7737820), (215, 6190256), (344, 3868910), (430, 3095128), (688, 1934455), (860, 1547564), (1720, 773782), (3440, 386891)]