9851960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3469}}^1$

素因数の和:3551

約数の個数: 32

約数和(自身を含む): 22485600

約数和(自身を除く): 12633640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 3469, 6938, 13876, 17345, 27752, 34690, 69380, 138760, 246299, 492598, 985196, 1231495, 1970392, 2462990, 4925980, 9851960]

約数ペア:

[(1, 9851960), (2, 4925980), (4, 2462990), (5, 1970392), (8, 1231495), (10, 985196), (20, 492598), (40, 246299), (71, 138760), (142, 69380), (284, 34690), (355, 27752), (568, 17345), (710, 13876), (1420, 6938), (2840, 3469)]