201590720

素因数分解:

$2^6\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1571}}^1$

素因数の和:1989

約数の個数: 56

約数和(自身を含む): 481541328

約数和(自身を除く): 279950608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 401, 802, 1571, 1604, 2005, 3142, 3208, 4010, 6284, 6416, 7855, 8020, 12568, 12832, 15710, 16040, 25136, 25664, 31420, 32080, 50272, 62840, 64160, 100544, 125680, 128320, 251360, 502720, 629971, 1259942, 2519884, 3149855, 5039768, 6299710, 10079536, 12599420, 20159072, 25198840, 40318144, 50397680, 100795360, 201590720]

約数ペア:

[(1, 201590720), (2, 100795360), (4, 50397680), (5, 40318144), (8, 25198840), (10, 20159072), (16, 12599420), (20, 10079536), (32, 6299710), (40, 5039768), (64, 3149855), (80, 2519884), (160, 1259942), (320, 629971), (401, 502720), (802, 251360), (1571, 128320), (1604, 125680), (2005, 100544), (3142, 64160), (3208, 62840), (4010, 50272), (6284, 32080), (6416, 31420), (7855, 25664), (8020, 25136), (12568, 16040), (12832, 15710)]