25644680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{823}}^1$

素因数の和:894

約数の個数: 64

約数和(自身を含む): 62294400

約数和(自身を除く): 36649720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 823, 1558, 1640, 1646, 3116, 3292, 3895, 4115, 6232, 6584, 7790, 8230, 15580, 15637, 16460, 31160, 31274, 32920, 33743, 62548, 67486, 78185, 125096, 134972, 156370, 168715, 269944, 312740, 337430, 625480, 641117, 674860, 1282234, 1349720, 2564468, 3205585, 5128936, 6411170, 12822340, 25644680]

約数ペア:

[(1, 25644680), (2, 12822340), (4, 6411170), (5, 5128936), (8, 3205585), (10, 2564468), (19, 1349720), (20, 1282234), (38, 674860), (40, 641117), (41, 625480), (76, 337430), (82, 312740), (95, 269944), (152, 168715), (164, 156370), (190, 134972), (205, 125096), (328, 78185), (380, 67486), (410, 62548), (760, 33743), (779, 32920), (820, 31274), (823, 31160), (1558, 16460), (1640, 15637), (1646, 15580), (3116, 8230), (3292, 7790), (3895, 6584), (4115, 6232)]