50963900

素因数分解:

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

素因数の和:423

約数の個数: 72

約数和(自身を含む): 120304800

約数和(自身を除く): 69340900

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 197, 199, 260, 325, 394, 398, 650, 788, 796, 985, 995, 1300, 1970, 1990, 2561, 2587, 3940, 3980, 4925, 4975, 5122, 5174, 9850, 9950, 10244, 10348, 12805, 12935, 19700, 19900, 25610, 25870, 39203, 51220, 51740, 64025, 64675, 78406, 128050, 129350, 156812, 196015, 256100, 258700, 392030, 509639, 784060, 980075, 1019278, 1960150, 2038556, 2548195, 3920300, 5096390, 10192780, 12740975, 25481950, 50963900]

約数ペア:

[(1, 50963900), (2, 25481950), (4, 12740975), (5, 10192780), (10, 5096390), (13, 3920300), (20, 2548195), (25, 2038556), (26, 1960150), (50, 1019278), (52, 980075), (65, 784060), (100, 509639), (130, 392030), (197, 258700), (199, 256100), (260, 196015), (325, 156812), (394, 129350), (398, 128050), (650, 78406), (788, 64675), (796, 64025), (985, 51740), (995, 51220), (1300, 39203), (1970, 25870), (1990, 25610), (2561, 19900), (2587, 19700), (3940, 12935), (3980, 12805), (4925, 10348), (4975, 10244), (5122, 9950), (5174, 9850)]