20355223250

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{16229}}^1$

素因数の和:16448

約数の個数: 64

約数和(自身を含む): 39649240800

約数和(自身を除く): 19294017550

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 125, 145, 173, 250, 290, 346, 725, 865, 1450, 1730, 3625, 4325, 5017, 7250, 8650, 10034, 16229, 21625, 25085, 32458, 43250, 50170, 81145, 125425, 162290, 250850, 405725, 470641, 627125, 811450, 941282, 1254250, 2028625, 2353205, 2807617, 4057250, 4706410, 5615234, 11766025, 14038085, 23532050, 28076170, 58830125, 70190425, 81420893, 117660250, 140380850, 162841786, 350952125, 407104465, 701904250, 814208930, 2035522325, 4071044650, 10177611625, 20355223250]

約数ペア:

[(1, 20355223250), (2, 10177611625), (5, 4071044650), (10, 2035522325), (25, 814208930), (29, 701904250), (50, 407104465), (58, 350952125), (125, 162841786), (145, 140380850), (173, 117660250), (250, 81420893), (290, 70190425), (346, 58830125), (725, 28076170), (865, 23532050), (1450, 14038085), (1730, 11766025), (3625, 5615234), (4325, 4706410), (5017, 4057250), (7250, 2807617), (8650, 2353205), (10034, 2028625), (16229, 1254250), (21625, 941282), (25085, 811450), (32458, 627125), (43250, 470641), (50170, 405725), (81145, 250850), (125425, 162290)]