25528048

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 61871040

約数和(自身を除く): 36342992

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 89, 91, 104, 112, 178, 182, 197, 208, 356, 364, 394, 623, 712, 728, 788, 1157, 1246, 1379, 1424, 1456, 1576, 2314, 2492, 2561, 2758, 3152, 4628, 4984, 5122, 5516, 8099, 9256, 9968, 10244, 11032, 16198, 17533, 17927, 18512, 20488, 22064, 32396, 35066, 35854, 40976, 64792, 70132, 71708, 122731, 129584, 140264, 143416, 227929, 245462, 280528, 286832, 455858, 490924, 911716, 981848, 1595503, 1823432, 1963696, 3191006, 3646864, 6382012, 12764024, 25528048]

約数ペア:

[(1, 25528048), (2, 12764024), (4, 6382012), (7, 3646864), (8, 3191006), (13, 1963696), (14, 1823432), (16, 1595503), (26, 981848), (28, 911716), (52, 490924), (56, 455858), (89, 286832), (91, 280528), (104, 245462), (112, 227929), (178, 143416), (182, 140264), (197, 129584), (208, 122731), (356, 71708), (364, 70132), (394, 64792), (623, 40976), (712, 35854), (728, 35066), (788, 32396), (1157, 22064), (1246, 20488), (1379, 18512), (1424, 17927), (1456, 17533), (1576, 16198), (2314, 11032), (2492, 10244), (2561, 9968), (2758, 9256), (3152, 8099), (4628, 5516), (4984, 5122)]