1105640240

素因数分解:

$2^4\times 5^1\times {\mathrm{13820503}}^1$

素因数の和:13820516

約数の個数: 20

約数和(自身を含む): 2570613744

約数和(自身を除く): 1464973504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 13820503, 27641006, 55282012, 69102515, 110564024, 138205030, 221128048, 276410060, 552820120, 1105640240]

約数ペア:

[(1, 1105640240), (2, 552820120), (4, 276410060), (5, 221128048), (8, 138205030), (10, 110564024), (16, 69102515), (20, 55282012), (40, 27641006), (80, 13820503)]