25780768

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2137}}^1$

素因数の和:2189

約数の個数: 48

約数和(自身を含む): 56571480

約数和(自身を除く): 30790712

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 104, 116, 208, 232, 377, 416, 464, 754, 928, 1508, 2137, 3016, 4274, 6032, 8548, 12064, 17096, 27781, 34192, 55562, 61973, 68384, 111124, 123946, 222248, 247892, 444496, 495784, 805649, 888992, 991568, 1611298, 1983136, 3222596, 6445192, 12890384, 25780768]

約数ペア:

[(1, 25780768), (2, 12890384), (4, 6445192), (8, 3222596), (13, 1983136), (16, 1611298), (26, 991568), (29, 888992), (32, 805649), (52, 495784), (58, 444496), (104, 247892), (116, 222248), (208, 123946), (232, 111124), (377, 68384), (416, 61973), (464, 55562), (754, 34192), (928, 27781), (1508, 17096), (2137, 12064), (3016, 8548), (4274, 6032)]