389706040

素因数分解:

$2^3\times 5^1\times {\mathrm{1447}}^1\times {\mathrm{6733}}^1$

素因数の和:8191

約数の個数: 32

約数和(自身を含む): 877574880

約数和(自身を除く): 487868840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1447, 2894, 5788, 6733, 7235, 11576, 13466, 14470, 26932, 28940, 33665, 53864, 57880, 67330, 134660, 269320, 9742651, 19485302, 38970604, 48713255, 77941208, 97426510, 194853020, 389706040]

約数ペア:

[(1, 389706040), (2, 194853020), (4, 97426510), (5, 77941208), (8, 48713255), (10, 38970604), (20, 19485302), (40, 9742651), (1447, 269320), (2894, 134660), (5788, 67330), (6733, 57880), (7235, 53864), (11576, 33665), (13466, 28940), (14470, 26932)]