25402832

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 61662720

約数和(自身を除く): 36259888

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 73, 91, 104, 112, 146, 182, 208, 239, 292, 364, 478, 511, 584, 728, 949, 956, 1022, 1168, 1456, 1673, 1898, 1912, 2044, 3107, 3346, 3796, 3824, 4088, 6214, 6643, 6692, 7592, 8176, 12428, 13286, 13384, 15184, 17447, 21749, 24856, 26572, 26768, 34894, 43498, 49712, 53144, 69788, 86996, 106288, 122129, 139576, 173992, 226811, 244258, 279152, 347984, 453622, 488516, 907244, 977032, 1587677, 1814488, 1954064, 3175354, 3628976, 6350708, 12701416, 25402832]

約数ペア:

[(1, 25402832), (2, 12701416), (4, 6350708), (7, 3628976), (8, 3175354), (13, 1954064), (14, 1814488), (16, 1587677), (26, 977032), (28, 907244), (52, 488516), (56, 453622), (73, 347984), (91, 279152), (104, 244258), (112, 226811), (146, 173992), (182, 139576), (208, 122129), (239, 106288), (292, 86996), (364, 69788), (478, 53144), (511, 49712), (584, 43498), (728, 34894), (949, 26768), (956, 26572), (1022, 24856), (1168, 21749), (1456, 17447), (1673, 15184), (1898, 13384), (1912, 13286), (2044, 12428), (3107, 8176), (3346, 7592), (3796, 6692), (3824, 6643), (4088, 6214)]