25171510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 56448000

約数和(自身を除く): 31276490

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 139, 182, 199, 278, 398, 455, 695, 910, 973, 995, 1390, 1393, 1807, 1946, 1990, 2587, 2786, 3614, 4865, 5174, 6965, 9035, 9730, 12649, 12935, 13930, 18070, 18109, 25298, 25870, 27661, 36218, 55322, 63245, 90545, 126490, 138305, 181090, 193627, 276610, 359593, 387254, 719186, 968135, 1797965, 1936270, 2517151, 3595930, 5034302, 12585755, 25171510]

約数ペア:

[(1, 25171510), (2, 12585755), (5, 5034302), (7, 3595930), (10, 2517151), (13, 1936270), (14, 1797965), (26, 968135), (35, 719186), (65, 387254), (70, 359593), (91, 276610), (130, 193627), (139, 181090), (182, 138305), (199, 126490), (278, 90545), (398, 63245), (455, 55322), (695, 36218), (910, 27661), (973, 25870), (995, 25298), (1390, 18109), (1393, 18070), (1807, 13930), (1946, 12935), (1990, 12649), (2587, 9730), (2786, 9035), (3614, 6965), (4865, 5174)]