31681360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1097}}^1$

素因数の和:1148

約数の個数: 60

約数和(自身を含む): 77810868

約数和(自身を除く): 46129508

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1097, 1444, 1520, 1805, 2194, 2888, 3610, 4388, 5485, 5776, 7220, 8776, 10970, 14440, 17552, 20843, 21940, 28880, 41686, 43880, 83372, 87760, 104215, 166744, 208430, 333488, 396017, 416860, 792034, 833720, 1584068, 1667440, 1980085, 3168136, 3960170, 6336272, 7920340, 15840680, 31681360]

約数ペア:

[(1, 31681360), (2, 15840680), (4, 7920340), (5, 6336272), (8, 3960170), (10, 3168136), (16, 1980085), (19, 1667440), (20, 1584068), (38, 833720), (40, 792034), (76, 416860), (80, 396017), (95, 333488), (152, 208430), (190, 166744), (304, 104215), (361, 87760), (380, 83372), (722, 43880), (760, 41686), (1097, 28880), (1444, 21940), (1520, 20843), (1805, 17552), (2194, 14440), (2888, 10970), (3610, 8776), (4388, 7220), (5485, 5776)]