8539720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{4357}}^1$

素因数の和:4382

約数の個数: 48

約数和(自身を含む): 22356540

約数和(自身を除く): 13816820

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 4357, 8714, 17428, 21785, 30499, 34856, 43570, 60998, 87140, 121996, 152495, 174280, 213493, 243992, 304990, 426986, 609980, 853972, 1067465, 1219960, 1707944, 2134930, 4269860, 8539720]

約数ペア:

[(1, 8539720), (2, 4269860), (4, 2134930), (5, 1707944), (7, 1219960), (8, 1067465), (10, 853972), (14, 609980), (20, 426986), (28, 304990), (35, 243992), (40, 213493), (49, 174280), (56, 152495), (70, 121996), (98, 87140), (140, 60998), (196, 43570), (245, 34856), (280, 30499), (392, 21785), (490, 17428), (980, 8714), (1960, 4357)]