25093900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 59544800

約数和(自身を除く): 34450900

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 97, 100, 130, 194, 199, 260, 325, 388, 398, 485, 650, 796, 970, 995, 1261, 1300, 1940, 1990, 2425, 2522, 2587, 3980, 4850, 4975, 5044, 5174, 6305, 9700, 9950, 10348, 12610, 12935, 19303, 19900, 25220, 25870, 31525, 38606, 51740, 63050, 64675, 77212, 96515, 126100, 129350, 193030, 250939, 258700, 386060, 482575, 501878, 965150, 1003756, 1254695, 1930300, 2509390, 5018780, 6273475, 12546950, 25093900]

約数ペア:

[(1, 25093900), (2, 12546950), (4, 6273475), (5, 5018780), (10, 2509390), (13, 1930300), (20, 1254695), (25, 1003756), (26, 965150), (50, 501878), (52, 482575), (65, 386060), (97, 258700), (100, 250939), (130, 193030), (194, 129350), (199, 126100), (260, 96515), (325, 77212), (388, 64675), (398, 63050), (485, 51740), (650, 38606), (796, 31525), (970, 25870), (995, 25220), (1261, 19900), (1300, 19303), (1940, 12935), (1990, 12610), (2425, 10348), (2522, 9950), (2587, 9700), (3980, 6305), (4850, 5174), (4975, 5044)]