667120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:313

約数の個数: 40

約数和(自身を含む): 1607040

約数和(自身を除く): 939920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 269, 310, 496, 538, 620, 1076, 1240, 1345, 2152, 2480, 2690, 4304, 5380, 8339, 10760, 16678, 21520, 33356, 41695, 66712, 83390, 133424, 166780, 333560, 667120]

約数ペア:

[(1, 667120), (2, 333560), (4, 166780), (5, 133424), (8, 83390), (10, 66712), (16, 41695), (20, 33356), (31, 21520), (40, 16678), (62, 10760), (80, 8339), (124, 5380), (155, 4304), (248, 2690), (269, 2480), (310, 2152), (496, 1345), (538, 1240), (620, 1076)]