80155360

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2543}}^1$

素因数の和:2755

約数の個数: 48

約数和(自身を含む): 190403136

約数和(自身を除く): 110247776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1576, 1970, 2543, 3152, 3940, 5086, 6304, 7880, 10172, 12715, 15760, 20344, 25430, 31520, 40688, 50860, 81376, 101720, 203440, 406880, 500971, 1001942, 2003884, 2504855, 4007768, 5009710, 8015536, 10019420, 16031072, 20038840, 40077680, 80155360]

約数ペア:

[(1, 80155360), (2, 40077680), (4, 20038840), (5, 16031072), (8, 10019420), (10, 8015536), (16, 5009710), (20, 4007768), (32, 2504855), (40, 2003884), (80, 1001942), (160, 500971), (197, 406880), (394, 203440), (788, 101720), (985, 81376), (1576, 50860), (1970, 40688), (2543, 31520), (3152, 25430), (3940, 20344), (5086, 15760), (6304, 12715), (7880, 10172)]