25207390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1999}}^1$

素因数の和:2116

約数の個数: 32

約数和(自身を含む): 49392000

約数和(自身を除く): 24184610

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 194, 485, 970, 1261, 1999, 2522, 3998, 6305, 9995, 12610, 19990, 25987, 51974, 129935, 193903, 259870, 387806, 969515, 1939030, 2520739, 5041478, 12603695, 25207390]

約数ペア:

[(1, 25207390), (2, 12603695), (5, 5041478), (10, 2520739), (13, 1939030), (26, 969515), (65, 387806), (97, 259870), (130, 193903), (194, 129935), (485, 51974), (970, 25987), (1261, 19990), (1999, 12610), (2522, 9995), (3998, 6305)]