25221456

素因数分解:

$2^4\times 3^5\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:535

約数の個数: 120

約数和(自身を含む): 78988000

約数和(自身を除く): 53766544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 104, 108, 117, 144, 156, 162, 208, 216, 234, 243, 312, 324, 351, 432, 468, 486, 499, 624, 648, 702, 936, 972, 998, 1053, 1296, 1404, 1497, 1872, 1944, 1996, 2106, 2808, 2994, 3159, 3888, 3992, 4212, 4491, 5616, 5988, 6318, 6487, 7984, 8424, 8982, 11976, 12636, 12974, 13473, 16848, 17964, 19461, 23952, 25272, 25948, 26946, 35928, 38922, 40419, 50544, 51896, 53892, 58383, 71856, 77844, 80838, 103792, 107784, 116766, 121257, 155688, 161676, 175149, 215568, 233532, 242514, 311376, 323352, 350298, 467064, 485028, 525447, 646704, 700596, 934128, 970056, 1050894, 1401192, 1576341, 1940112, 2101788, 2802384, 3152682, 4203576, 6305364, 8407152, 12610728, 25221456]

約数ペア:

[(1, 25221456), (2, 12610728), (3, 8407152), (4, 6305364), (6, 4203576), (8, 3152682), (9, 2802384), (12, 2101788), (13, 1940112), (16, 1576341), (18, 1401192), (24, 1050894), (26, 970056), (27, 934128), (36, 700596), (39, 646704), (48, 525447), (52, 485028), (54, 467064), (72, 350298), (78, 323352), (81, 311376), (104, 242514), (108, 233532), (117, 215568), (144, 175149), (156, 161676), (162, 155688), (208, 121257), (216, 116766), (234, 107784), (243, 103792), (312, 80838), (324, 77844), (351, 71856), (432, 58383), (468, 53892), (486, 51896), (499, 50544), (624, 40419), (648, 38922), (702, 35928), (936, 26946), (972, 25948), (998, 25272), (1053, 23952), (1296, 19461), (1404, 17964), (1497, 16848), (1872, 13473), (1944, 12974), (1996, 12636), (2106, 11976), (2808, 8982), (2994, 8424), (3159, 7984), (3888, 6487), (3992, 6318), (4212, 5988), (4491, 5616)]