25617904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 57496320

約数和(自身を除く): 31878416

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 31, 52, 58, 62, 104, 116, 124, 137, 208, 232, 248, 274, 377, 403, 464, 496, 548, 754, 806, 899, 1096, 1508, 1612, 1781, 1798, 2192, 3016, 3224, 3562, 3596, 3973, 4247, 6032, 6448, 7124, 7192, 7946, 8494, 11687, 14248, 14384, 15892, 16988, 23374, 28496, 31784, 33976, 46748, 51649, 55211, 63568, 67952, 93496, 103298, 110422, 123163, 186992, 206596, 220844, 246326, 413192, 441688, 492652, 826384, 883376, 985304, 1601119, 1970608, 3202238, 6404476, 12808952, 25617904]

約数ペア:

[(1, 25617904), (2, 12808952), (4, 6404476), (8, 3202238), (13, 1970608), (16, 1601119), (26, 985304), (29, 883376), (31, 826384), (52, 492652), (58, 441688), (62, 413192), (104, 246326), (116, 220844), (124, 206596), (137, 186992), (208, 123163), (232, 110422), (248, 103298), (274, 93496), (377, 67952), (403, 63568), (464, 55211), (496, 51649), (548, 46748), (754, 33976), (806, 31784), (899, 28496), (1096, 23374), (1508, 16988), (1612, 15892), (1781, 14384), (1798, 14248), (2192, 11687), (3016, 8494), (3224, 7946), (3562, 7192), (3596, 7124), (3973, 6448), (4247, 6032)]