800320688

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{1601}}^1$

素因数の和:1965

約数の個数: 40

約数和(自身を含む): 1569319200

約数和(自身を除く): 768998512

約数列:

[1, 2, 4, 8, 16, 157, 199, 314, 398, 628, 796, 1256, 1592, 1601, 2512, 3184, 3202, 6404, 12808, 25616, 31243, 62486, 124972, 249944, 251357, 318599, 499888, 502714, 637198, 1005428, 1274396, 2010856, 2548792, 4021712, 5097584, 50020043, 100040086, 200080172, 400160344, 800320688]

約数ペア:

[(1, 800320688), (2, 400160344), (4, 200080172), (8, 100040086), (16, 50020043), (157, 5097584), (199, 4021712), (314, 2548792), (398, 2010856), (628, 1274396), (796, 1005428), (1256, 637198), (1592, 502714), (1601, 499888), (2512, 318599), (3184, 251357), (3202, 249944), (6404, 124972), (12808, 62486), (25616, 31243)]