98765320

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{6037}}^1$

素因数の和:6457

約数の個数: 32

約数和(自身を含む): 222802200

約数和(自身を除く): 124036880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 6037, 8180, 12074, 16360, 24148, 30185, 48296, 60370, 120740, 241480, 2469133, 4938266, 9876532, 12345665, 19753064, 24691330, 49382660, 98765320]

約数ペア:

[(1, 98765320), (2, 49382660), (4, 24691330), (5, 19753064), (8, 12345665), (10, 9876532), (20, 4938266), (40, 2469133), (409, 241480), (818, 120740), (1636, 60370), (2045, 48296), (3272, 30185), (4090, 24148), (6037, 16360), (8180, 12074)]