195648980

素因数分解:

$2^2\times 5^1\times {\mathrm{769}}^1\times {\mathrm{12721}}^1$

素因数の和:13499

約数の個数: 24

約数和(自身を含む): 411429480

約数和(自身を除く): 215780500

約数列:

[1, 2, 4, 5, 10, 20, 769, 1538, 3076, 3845, 7690, 12721, 15380, 25442, 50884, 63605, 127210, 254420, 9782449, 19564898, 39129796, 48912245, 97824490, 195648980]

約数ペア:

[(1, 195648980), (2, 97824490), (4, 48912245), (5, 39129796), (10, 19564898), (20, 9782449), (769, 254420), (1538, 127210), (3076, 63605), (3845, 50884), (7690, 25442), (12721, 15380)]