25189120

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1789}}^1$

素因数の和:1821

約数の個数: 72

約数和(自身を含む): 65857680

約数和(自身を除く): 40668560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 1789, 2816, 3520, 3578, 7040, 7156, 8945, 14080, 14312, 17890, 19679, 28624, 35780, 39358, 57248, 71560, 78716, 98395, 114496, 143120, 157432, 196790, 228992, 286240, 314864, 393580, 457984, 572480, 629728, 787160, 1144960, 1259456, 1574320, 2289920, 2518912, 3148640, 5037824, 6297280, 12594560, 25189120]

約数ペア:

[(1, 25189120), (2, 12594560), (4, 6297280), (5, 5037824), (8, 3148640), (10, 2518912), (11, 2289920), (16, 1574320), (20, 1259456), (22, 1144960), (32, 787160), (40, 629728), (44, 572480), (55, 457984), (64, 393580), (80, 314864), (88, 286240), (110, 228992), (128, 196790), (160, 157432), (176, 143120), (220, 114496), (256, 98395), (320, 78716), (352, 71560), (440, 57248), (640, 39358), (704, 35780), (880, 28624), (1280, 19679), (1408, 17890), (1760, 14312), (1789, 14080), (2816, 8945), (3520, 7156), (3578, 7040)]