10192780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 23284800

約数和(自身を除く): 13092020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 197, 199, 260, 394, 398, 788, 796, 985, 995, 1970, 1990, 2561, 2587, 3940, 3980, 5122, 5174, 10244, 10348, 12805, 12935, 25610, 25870, 39203, 51220, 51740, 78406, 156812, 196015, 392030, 509639, 784060, 1019278, 2038556, 2548195, 5096390, 10192780]

約数ペア:

[(1, 10192780), (2, 5096390), (4, 2548195), (5, 2038556), (10, 1019278), (13, 784060), (20, 509639), (26, 392030), (52, 196015), (65, 156812), (130, 78406), (197, 51740), (199, 51220), (260, 39203), (394, 25870), (398, 25610), (788, 12935), (796, 12805), (985, 10348), (995, 10244), (1970, 5174), (1990, 5122), (2561, 3980), (2587, 3940)]