80373136

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:727

約数の個数: 40

約数和(自身を含む): 159364800

約数和(自身を除く): 78991664

約数列:

[1, 2, 4, 8, 16, 71, 139, 142, 278, 284, 509, 556, 568, 1018, 1112, 1136, 2036, 2224, 4072, 8144, 9869, 19738, 36139, 39476, 70751, 72278, 78952, 141502, 144556, 157904, 283004, 289112, 566008, 578224, 1132016, 5023321, 10046642, 20093284, 40186568, 80373136]

約数ペア:

[(1, 80373136), (2, 40186568), (4, 20093284), (8, 10046642), (16, 5023321), (71, 1132016), (139, 578224), (142, 566008), (278, 289112), (284, 283004), (509, 157904), (556, 144556), (568, 141502), (1018, 78952), (1112, 72278), (1136, 70751), (2036, 39476), (2224, 36139), (4072, 19738), (8144, 9869)]