28248889720

素因数分解:

$2^3\times 5^1\times {\mathrm{743}}^1\times {\mathrm{950501}}^1$

素因数の和:951255

約数の個数: 32

約数和(自身を含む): 63645613920

約数和(自身を除く): 35396724200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 743, 1486, 2972, 3715, 5944, 7430, 14860, 29720, 950501, 1901002, 3802004, 4752505, 7604008, 9505010, 19010020, 38020040, 706222243, 1412444486, 2824888972, 3531111215, 5649777944, 7062222430, 14124444860, 28248889720]

約数ペア:

[(1, 28248889720), (2, 14124444860), (4, 7062222430), (5, 5649777944), (8, 3531111215), (10, 2824888972), (20, 1412444486), (40, 706222243), (743, 38020040), (1486, 19010020), (2972, 9505010), (3715, 7604008), (5944, 4752505), (7430, 3802004), (14860, 1901002), (29720, 950501)]