9940478980

素因数分解:

$2^2\times 5^1\times {\mathrm{11971}}^1\times {\mathrm{41519}}^1$

素因数の和:53499

約数の個数: 24

約数和(自身を含む): 20877252480

約数和(自身を除く): 10936773500

約数列:

[1, 2, 4, 5, 10, 20, 11971, 23942, 41519, 47884, 59855, 83038, 119710, 166076, 207595, 239420, 415190, 830380, 497023949, 994047898, 1988095796, 2485119745, 4970239490, 9940478980]

約数ペア:

[(1, 9940478980), (2, 4970239490), (4, 2485119745), (5, 1988095796), (10, 994047898), (20, 497023949), (11971, 830380), (23942, 415190), (41519, 239420), (47884, 207595), (59855, 166076), (83038, 119710)]