25130240

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{677}}^1$

素因数の和:727

約数の個数: 72

約数和(自身を含む): 62362440

約数和(自身を除く): 37232200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 580, 640, 677, 928, 1160, 1280, 1354, 1856, 2320, 2708, 3385, 3712, 4640, 5416, 6770, 7424, 9280, 10832, 13540, 18560, 19633, 21664, 27080, 37120, 39266, 43328, 54160, 78532, 86656, 98165, 108320, 157064, 173312, 196330, 216640, 314128, 392660, 433280, 628256, 785320, 866560, 1256512, 1570640, 2513024, 3141280, 5026048, 6282560, 12565120, 25130240]

約数ペア:

[(1, 25130240), (2, 12565120), (4, 6282560), (5, 5026048), (8, 3141280), (10, 2513024), (16, 1570640), (20, 1256512), (29, 866560), (32, 785320), (40, 628256), (58, 433280), (64, 392660), (80, 314128), (116, 216640), (128, 196330), (145, 173312), (160, 157064), (232, 108320), (256, 98165), (290, 86656), (320, 78532), (464, 54160), (580, 43328), (640, 39266), (677, 37120), (928, 27080), (1160, 21664), (1280, 19633), (1354, 18560), (1856, 13540), (2320, 10832), (2708, 9280), (3385, 7424), (3712, 6770), (4640, 5416)]