22556500

素因数分解:

$2^2\times 5^3\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:445

約数の個数: 48

約数和(自身を含む): 49729680

約数和(自身を除く): 27173180

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 197, 229, 250, 394, 458, 500, 788, 916, 985, 1145, 1970, 2290, 3940, 4580, 4925, 5725, 9850, 11450, 19700, 22900, 24625, 28625, 45113, 49250, 57250, 90226, 98500, 114500, 180452, 225565, 451130, 902260, 1127825, 2255650, 4511300, 5639125, 11278250, 22556500]

約数ペア:

[(1, 22556500), (2, 11278250), (4, 5639125), (5, 4511300), (10, 2255650), (20, 1127825), (25, 902260), (50, 451130), (100, 225565), (125, 180452), (197, 114500), (229, 98500), (250, 90226), (394, 57250), (458, 49250), (500, 45113), (788, 28625), (916, 24625), (985, 22900), (1145, 19700), (1970, 11450), (2290, 9850), (3940, 5725), (4580, 4925)]