25890464

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:565

約数の個数: 48

約数和(自身を含む): 54331200

約数和(自身を除く): 28440736

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 97, 152, 194, 304, 388, 439, 608, 776, 878, 1552, 1756, 1843, 3104, 3512, 3686, 7024, 7372, 8341, 14048, 14744, 16682, 29488, 33364, 42583, 58976, 66728, 85166, 133456, 170332, 266912, 340664, 681328, 809077, 1362656, 1618154, 3236308, 6472616, 12945232, 25890464]

約数ペア:

[(1, 25890464), (2, 12945232), (4, 6472616), (8, 3236308), (16, 1618154), (19, 1362656), (32, 809077), (38, 681328), (76, 340664), (97, 266912), (152, 170332), (194, 133456), (304, 85166), (388, 66728), (439, 58976), (608, 42583), (776, 33364), (878, 29488), (1552, 16682), (1756, 14744), (1843, 14048), (3104, 8341), (3512, 7372), (3686, 7024)]