25354280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:199

約数の個数: 128

約数和(自身を含む): 70778880

約数和(自身を除く): 45424600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 92, 115, 124, 127, 140, 155, 161, 184, 217, 230, 248, 254, 280, 310, 322, 434, 460, 508, 620, 635, 644, 713, 805, 868, 889, 920, 1016, 1085, 1240, 1270, 1288, 1426, 1610, 1736, 1778, 2170, 2540, 2852, 2921, 3220, 3556, 3565, 3937, 4340, 4445, 4991, 5080, 5704, 5842, 6440, 7112, 7130, 7874, 8680, 8890, 9982, 11684, 14260, 14605, 15748, 17780, 19685, 19964, 20447, 23368, 24955, 27559, 28520, 29210, 31496, 35560, 39370, 39928, 40894, 49910, 55118, 58420, 78740, 81788, 90551, 99820, 102235, 110236, 116840, 137795, 157480, 163576, 181102, 199640, 204470, 220472, 275590, 362204, 408940, 452755, 551180, 633857, 724408, 817880, 905510, 1102360, 1267714, 1811020, 2535428, 3169285, 3622040, 5070856, 6338570, 12677140, 25354280]

約数ペア:

[(1, 25354280), (2, 12677140), (4, 6338570), (5, 5070856), (7, 3622040), (8, 3169285), (10, 2535428), (14, 1811020), (20, 1267714), (23, 1102360), (28, 905510), (31, 817880), (35, 724408), (40, 633857), (46, 551180), (56, 452755), (62, 408940), (70, 362204), (92, 275590), (115, 220472), (124, 204470), (127, 199640), (140, 181102), (155, 163576), (161, 157480), (184, 137795), (217, 116840), (230, 110236), (248, 102235), (254, 99820), (280, 90551), (310, 81788), (322, 78740), (434, 58420), (460, 55118), (508, 49910), (620, 40894), (635, 39928), (644, 39370), (713, 35560), (805, 31496), (868, 29210), (889, 28520), (920, 27559), (1016, 24955), (1085, 23368), (1240, 20447), (1270, 19964), (1288, 19685), (1426, 17780), (1610, 15748), (1736, 14605), (1778, 14260), (2170, 11684), (2540, 9982), (2852, 8890), (2921, 8680), (3220, 7874), (3556, 7130), (3565, 7112), (3937, 6440), (4340, 5842), (4445, 5704), (4991, 5080)]