12402800

素因数分解:

$2^4\times 5^2\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:426

約数の個数: 60

約数和(自身を含む): 30190776

約数和(自身を除く): 17787976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 101, 200, 202, 307, 400, 404, 505, 614, 808, 1010, 1228, 1535, 1616, 2020, 2456, 2525, 3070, 4040, 4912, 5050, 6140, 7675, 8080, 10100, 12280, 15350, 20200, 24560, 30700, 31007, 40400, 61400, 62014, 122800, 124028, 155035, 248056, 310070, 496112, 620140, 775175, 1240280, 1550350, 2480560, 3100700, 6201400, 12402800]

約数ペア:

[(1, 12402800), (2, 6201400), (4, 3100700), (5, 2480560), (8, 1550350), (10, 1240280), (16, 775175), (20, 620140), (25, 496112), (40, 310070), (50, 248056), (80, 155035), (100, 124028), (101, 122800), (200, 62014), (202, 61400), (307, 40400), (400, 31007), (404, 30700), (505, 24560), (614, 20200), (808, 15350), (1010, 12280), (1228, 10100), (1535, 8080), (1616, 7675), (2020, 6140), (2456, 5050), (2525, 4912), (3070, 4040)]