804911720

素因数分解:

$2^3\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{15233}}^1$

素因数の和:16565

約数の個数: 32

約数和(自身を含む): 1812541320

約数和(自身を除く): 1007629600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1321, 2642, 5284, 6605, 10568, 13210, 15233, 26420, 30466, 52840, 60932, 76165, 121864, 152330, 304660, 609320, 20122793, 40245586, 80491172, 100613965, 160982344, 201227930, 402455860, 804911720]

約数ペア:

[(1, 804911720), (2, 402455860), (4, 201227930), (5, 160982344), (8, 100613965), (10, 80491172), (20, 40245586), (40, 20122793), (1321, 609320), (2642, 304660), (5284, 152330), (6605, 121864), (10568, 76165), (13210, 60932), (15233, 52840), (26420, 30466)]