520012805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{1601}}^1$

素因数の和:1901

約数の個数: 32

約数和(自身を含む): 710519040

約数和(自身を除く): 190506235

約数列:

[1, 5, 13, 19, 65, 95, 247, 263, 1235, 1315, 1601, 3419, 4997, 8005, 17095, 20813, 24985, 30419, 64961, 104065, 152095, 324805, 395447, 421063, 1977235, 2105315, 5473819, 8000197, 27369095, 40000985, 104002561, 520012805]

約数ペア:

[(1, 520012805), (5, 104002561), (13, 40000985), (19, 27369095), (65, 8000197), (95, 5473819), (247, 2105315), (263, 1977235), (1235, 421063), (1315, 395447), (1601, 324805), (3419, 152095), (4997, 104065), (8005, 64961), (17095, 30419), (20813, 24985)]