28561120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{3643}}^1$

素因数の和:3672

約数の個数: 72

約数和(自身を含む): 78513624

約数和(自身を除く): 49952504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3643, 3920, 7286, 7840, 14572, 18215, 25501, 29144, 36430, 51002, 58288, 72860, 102004, 116576, 127505, 145720, 178507, 204008, 255010, 291440, 357014, 408016, 510020, 582880, 714028, 816032, 892535, 1020040, 1428056, 1785070, 2040080, 2856112, 3570140, 4080160, 5712224, 7140280, 14280560, 28561120]

約数ペア:

[(1, 28561120), (2, 14280560), (4, 7140280), (5, 5712224), (7, 4080160), (8, 3570140), (10, 2856112), (14, 2040080), (16, 1785070), (20, 1428056), (28, 1020040), (32, 892535), (35, 816032), (40, 714028), (49, 582880), (56, 510020), (70, 408016), (80, 357014), (98, 291440), (112, 255010), (140, 204008), (160, 178507), (196, 145720), (224, 127505), (245, 116576), (280, 102004), (392, 72860), (490, 58288), (560, 51002), (784, 36430), (980, 29144), (1120, 25501), (1568, 18215), (1960, 14572), (3643, 7840), (3920, 7286)]