25825370

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 52272000

約数和(自身を除く): 26446630

約数列:

[1, 2, 5, 10, 19, 29, 38, 43, 58, 86, 95, 109, 145, 190, 215, 218, 290, 430, 545, 551, 817, 1090, 1102, 1247, 1634, 2071, 2494, 2755, 3161, 4085, 4142, 4687, 5510, 6235, 6322, 8170, 9374, 10355, 12470, 15805, 20710, 23435, 23693, 31610, 46870, 47386, 60059, 89053, 118465, 120118, 135923, 178106, 236930, 271846, 300295, 445265, 600590, 679615, 890530, 1359230, 2582537, 5165074, 12912685, 25825370]

約数ペア:

[(1, 25825370), (2, 12912685), (5, 5165074), (10, 2582537), (19, 1359230), (29, 890530), (38, 679615), (43, 600590), (58, 445265), (86, 300295), (95, 271846), (109, 236930), (145, 178106), (190, 135923), (215, 120118), (218, 118465), (290, 89053), (430, 60059), (545, 47386), (551, 46870), (817, 31610), (1090, 23693), (1102, 23435), (1247, 20710), (1634, 15805), (2071, 12470), (2494, 10355), (2755, 9374), (3161, 8170), (4085, 6322), (4142, 6235), (4687, 5510)]