139585280

素因数分解:

$2^8\times 5^1\times {\mathrm{167}}^1\times {\mathrm{653}}^1$

素因数の和:841

約数の個数: 72

約数和(自身を含む): 336867552

約数和(自身を除く): 197282272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 167, 256, 320, 334, 640, 653, 668, 835, 1280, 1306, 1336, 1670, 2612, 2672, 3265, 3340, 5224, 5344, 6530, 6680, 10448, 10688, 13060, 13360, 20896, 21376, 26120, 26720, 41792, 42752, 52240, 53440, 83584, 104480, 106880, 109051, 167168, 208960, 213760, 218102, 417920, 436204, 545255, 835840, 872408, 1090510, 1744816, 2181020, 3489632, 4362040, 6979264, 8724080, 13958528, 17448160, 27917056, 34896320, 69792640, 139585280]

約数ペア:

[(1, 139585280), (2, 69792640), (4, 34896320), (5, 27917056), (8, 17448160), (10, 13958528), (16, 8724080), (20, 6979264), (32, 4362040), (40, 3489632), (64, 2181020), (80, 1744816), (128, 1090510), (160, 872408), (167, 835840), (256, 545255), (320, 436204), (334, 417920), (640, 218102), (653, 213760), (668, 208960), (835, 167168), (1280, 109051), (1306, 106880), (1336, 104480), (1670, 83584), (2612, 53440), (2672, 52240), (3265, 42752), (3340, 41792), (5224, 26720), (5344, 26120), (6530, 21376), (6680, 20896), (10448, 13360), (10688, 13060)]