25805728

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:170

約数の個数: 96

約数和(自身を含む): 60011280

約数和(自身を除く): 34205552

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 41, 52, 68, 82, 89, 104, 136, 164, 178, 208, 221, 272, 328, 356, 416, 442, 533, 544, 656, 697, 712, 884, 1066, 1157, 1312, 1394, 1424, 1513, 1768, 2132, 2314, 2788, 2848, 3026, 3536, 3649, 4264, 4628, 5576, 6052, 7072, 7298, 8528, 9061, 9256, 11152, 12104, 14596, 17056, 18122, 18512, 19669, 22304, 24208, 29192, 36244, 37024, 39338, 47437, 48416, 58384, 62033, 72488, 78676, 94874, 116768, 124066, 144976, 157352, 189748, 248132, 289952, 314704, 379496, 496264, 629408, 758992, 806429, 992528, 1517984, 1612858, 1985056, 3225716, 6451432, 12902864, 25805728]

約数ペア:

[(1, 25805728), (2, 12902864), (4, 6451432), (8, 3225716), (13, 1985056), (16, 1612858), (17, 1517984), (26, 992528), (32, 806429), (34, 758992), (41, 629408), (52, 496264), (68, 379496), (82, 314704), (89, 289952), (104, 248132), (136, 189748), (164, 157352), (178, 144976), (208, 124066), (221, 116768), (272, 94874), (328, 78676), (356, 72488), (416, 62033), (442, 58384), (533, 48416), (544, 47437), (656, 39338), (697, 37024), (712, 36244), (884, 29192), (1066, 24208), (1157, 22304), (1312, 19669), (1394, 18512), (1424, 18122), (1513, 17056), (1768, 14596), (2132, 12104), (2314, 11152), (2788, 9256), (2848, 9061), (3026, 8528), (3536, 7298), (3649, 7072), (4264, 6052), (4628, 5576)]