19859600

素因数分解:

$2^4\times 5^2\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:528

約数の個数: 60

約数和(自身を含む): 48203760

約数和(自身を除く): 28344160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 131, 200, 262, 379, 400, 524, 655, 758, 1048, 1310, 1516, 1895, 2096, 2620, 3032, 3275, 3790, 5240, 6064, 6550, 7580, 9475, 10480, 13100, 15160, 18950, 26200, 30320, 37900, 49649, 52400, 75800, 99298, 151600, 198596, 248245, 397192, 496490, 794384, 992980, 1241225, 1985960, 2482450, 3971920, 4964900, 9929800, 19859600]

約数ペア:

[(1, 19859600), (2, 9929800), (4, 4964900), (5, 3971920), (8, 2482450), (10, 1985960), (16, 1241225), (20, 992980), (25, 794384), (40, 496490), (50, 397192), (80, 248245), (100, 198596), (131, 151600), (200, 99298), (262, 75800), (379, 52400), (400, 49649), (524, 37900), (655, 30320), (758, 26200), (1048, 18950), (1310, 15160), (1516, 13100), (1895, 10480), (2096, 9475), (2620, 7580), (3032, 6550), (3275, 6064), (3790, 5240)]