53220020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3919}}^1$

素因数の和:4032

約数の個数: 48

約数和(自身を含む): 129077760

約数和(自身を除く): 75857740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2716, 3395, 3919, 6790, 7838, 13580, 15676, 19595, 27433, 39190, 54866, 78380, 109732, 137165, 274330, 380143, 548660, 760286, 1520572, 1900715, 2661001, 3801430, 5322002, 7602860, 10644004, 13305005, 26610010, 53220020]

約数ペア:

[(1, 53220020), (2, 26610010), (4, 13305005), (5, 10644004), (7, 7602860), (10, 5322002), (14, 3801430), (20, 2661001), (28, 1900715), (35, 1520572), (70, 760286), (97, 548660), (140, 380143), (194, 274330), (388, 137165), (485, 109732), (679, 78380), (970, 54866), (1358, 39190), (1940, 27433), (2716, 19595), (3395, 15676), (3919, 13580), (6790, 7838)]