8078540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5113}}^1$

素因数の和:5201

約数の個数: 24

約数和(自身を含む): 17183040

約数和(自身を除く): 9104500

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 5113, 10226, 20452, 25565, 51130, 102260, 403927, 807854, 1615708, 2019635, 4039270, 8078540]

約数ペア:

[(1, 8078540), (2, 4039270), (4, 2019635), (5, 1615708), (10, 807854), (20, 403927), (79, 102260), (158, 51130), (316, 25565), (395, 20452), (790, 10226), (1580, 5113)]