25672990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 56448000

約数和(自身を除く): 30775010

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 97, 133, 190, 194, 199, 266, 398, 485, 665, 679, 970, 995, 1330, 1358, 1393, 1843, 1990, 2786, 3395, 3686, 3781, 6790, 6965, 7562, 9215, 12901, 13930, 18430, 18905, 19303, 25802, 26467, 37810, 38606, 52934, 64505, 96515, 129010, 132335, 135121, 193030, 264670, 270242, 366757, 675605, 733514, 1351210, 1833785, 2567299, 3667570, 5134598, 12836495, 25672990]

約数ペア:

[(1, 25672990), (2, 12836495), (5, 5134598), (7, 3667570), (10, 2567299), (14, 1833785), (19, 1351210), (35, 733514), (38, 675605), (70, 366757), (95, 270242), (97, 264670), (133, 193030), (190, 135121), (194, 132335), (199, 129010), (266, 96515), (398, 64505), (485, 52934), (665, 38606), (679, 37810), (970, 26467), (995, 25802), (1330, 19303), (1358, 18905), (1393, 18430), (1843, 13930), (1990, 12901), (2786, 9215), (3395, 7562), (3686, 6965), (3781, 6790)]