25624755

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 51389184

約数和(自身を除く): 25764429

約数列:

[1, 3, 5, 9, 13, 15, 27, 31, 39, 45, 65, 81, 93, 117, 135, 155, 157, 195, 279, 351, 403, 405, 465, 471, 585, 785, 837, 1053, 1209, 1395, 1413, 1755, 2015, 2041, 2355, 2511, 3627, 4185, 4239, 4867, 5265, 6045, 6123, 7065, 10205, 10881, 12555, 12717, 14601, 18135, 18369, 21195, 24335, 30615, 32643, 43803, 54405, 55107, 63271, 63585, 73005, 91845, 131409, 163215, 165321, 189813, 219015, 275535, 316355, 394227, 569439, 657045, 826605, 949065, 1708317, 1971135, 2847195, 5124951, 8541585, 25624755]

約数ペア:

[(1, 25624755), (3, 8541585), (5, 5124951), (9, 2847195), (13, 1971135), (15, 1708317), (27, 949065), (31, 826605), (39, 657045), (45, 569439), (65, 394227), (81, 316355), (93, 275535), (117, 219015), (135, 189813), (155, 165321), (157, 163215), (195, 131409), (279, 91845), (351, 73005), (403, 63585), (405, 63271), (465, 55107), (471, 54405), (585, 43803), (785, 32643), (837, 30615), (1053, 24335), (1209, 21195), (1395, 18369), (1413, 18135), (1755, 14601), (2015, 12717), (2041, 12555), (2355, 10881), (2511, 10205), (3627, 7065), (4185, 6123), (4239, 6045), (4867, 5265)]