25461280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12241}}^1$

素因数の和:12269

約数の個数: 48

約数和(自身を含む): 64784664

約数和(自身を除く): 39323384

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 12241, 24482, 48964, 61205, 97928, 122410, 159133, 195856, 244820, 318266, 391712, 489640, 636532, 795665, 979280, 1273064, 1591330, 1958560, 2546128, 3182660, 5092256, 6365320, 12730640, 25461280]

約数ペア:

[(1, 25461280), (2, 12730640), (4, 6365320), (5, 5092256), (8, 3182660), (10, 2546128), (13, 1958560), (16, 1591330), (20, 1273064), (26, 979280), (32, 795665), (40, 636532), (52, 489640), (65, 391712), (80, 318266), (104, 244820), (130, 195856), (160, 159133), (208, 122410), (260, 97928), (416, 61205), (520, 48964), (1040, 24482), (2080, 12241)]