25443808

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1973}}^1$

素因数の和:2027

約数の個数: 48

約数和(自身を含む): 55714176

約数和(自身を除く): 30270368

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1612, 1973, 3224, 3946, 6448, 7892, 12896, 15784, 25649, 31568, 51298, 61163, 63136, 102596, 122326, 205192, 244652, 410384, 489304, 795119, 820768, 978608, 1590238, 1957216, 3180476, 6360952, 12721904, 25443808]

約数ペア:

[(1, 25443808), (2, 12721904), (4, 6360952), (8, 3180476), (13, 1957216), (16, 1590238), (26, 978608), (31, 820768), (32, 795119), (52, 489304), (62, 410384), (104, 244652), (124, 205192), (208, 122326), (248, 102596), (403, 63136), (416, 61163), (496, 51298), (806, 31568), (992, 25649), (1612, 15784), (1973, 12896), (3224, 7892), (3946, 6448)]