12824920

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{653}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 28959120

約数和(自身を除く): 16134200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 653, 982, 1306, 1964, 2455, 2612, 3265, 3928, 4910, 5224, 6530, 9820, 13060, 19640, 26120, 320623, 641246, 1282492, 1603115, 2564984, 3206230, 6412460, 12824920]

約数ペア:

[(1, 12824920), (2, 6412460), (4, 3206230), (5, 2564984), (8, 1603115), (10, 1282492), (20, 641246), (40, 320623), (491, 26120), (653, 19640), (982, 13060), (1306, 9820), (1964, 6530), (2455, 5224), (2612, 4910), (3265, 3928)]