2561195008

素因数分解:

$2^{10}\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:445

約数の個数: 88

約数和(自身を含む): 5239501200

約数和(自身を除く): 2678306192

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 157, 178, 179, 256, 314, 356, 358, 512, 628, 712, 716, 1024, 1256, 1424, 1432, 2512, 2848, 2864, 5024, 5696, 5728, 10048, 11392, 11456, 13973, 15931, 20096, 22784, 22912, 27946, 28103, 31862, 40192, 45568, 45824, 55892, 56206, 63724, 80384, 91136, 91648, 111784, 112412, 127448, 160768, 183296, 223568, 224824, 254896, 447136, 449648, 509792, 894272, 899296, 1019584, 1788544, 1798592, 2039168, 2501167, 3577088, 3597184, 4078336, 5002334, 7154176, 7194368, 8156672, 10004668, 14308352, 14388736, 16313344, 20009336, 28777472, 40018672, 80037344, 160074688, 320149376, 640298752, 1280597504, 2561195008]

約数ペア:

[(1, 2561195008), (2, 1280597504), (4, 640298752), (8, 320149376), (16, 160074688), (32, 80037344), (64, 40018672), (89, 28777472), (128, 20009336), (157, 16313344), (178, 14388736), (179, 14308352), (256, 10004668), (314, 8156672), (356, 7194368), (358, 7154176), (512, 5002334), (628, 4078336), (712, 3597184), (716, 3577088), (1024, 2501167), (1256, 2039168), (1424, 1798592), (1432, 1788544), (2512, 1019584), (2848, 899296), (2864, 894272), (5024, 509792), (5696, 449648), (5728, 447136), (10048, 254896), (11392, 224824), (11456, 223568), (13973, 183296), (15931, 160768), (20096, 127448), (22784, 112412), (22912, 111784), (27946, 91648), (28103, 91136), (31862, 80384), (40192, 63724), (45568, 56206), (45824, 55892)]