25661552

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:454

約数の個数: 80

約数和(自身を含む): 61900800

約数和(自身を除く): 36239248

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 56, 62, 76, 112, 124, 133, 152, 217, 248, 266, 304, 389, 434, 496, 532, 589, 778, 868, 1064, 1178, 1556, 1736, 2128, 2356, 2723, 3112, 3472, 4123, 4712, 5446, 6224, 7391, 8246, 9424, 10892, 12059, 14782, 16492, 21784, 24118, 29564, 32984, 43568, 48236, 51737, 59128, 65968, 84413, 96472, 103474, 118256, 168826, 192944, 206948, 229121, 337652, 413896, 458242, 675304, 827792, 916484, 1350608, 1603847, 1832968, 3207694, 3665936, 6415388, 12830776, 25661552]

約数ペア:

[(1, 25661552), (2, 12830776), (4, 6415388), (7, 3665936), (8, 3207694), (14, 1832968), (16, 1603847), (19, 1350608), (28, 916484), (31, 827792), (38, 675304), (56, 458242), (62, 413896), (76, 337652), (112, 229121), (124, 206948), (133, 192944), (152, 168826), (217, 118256), (248, 103474), (266, 96472), (304, 84413), (389, 65968), (434, 59128), (496, 51737), (532, 48236), (589, 43568), (778, 32984), (868, 29564), (1064, 24118), (1178, 21784), (1556, 16492), (1736, 14782), (2128, 12059), (2356, 10892), (2723, 9424), (3112, 8246), (3472, 7391), (4123, 6224), (4712, 5446)]