161873560

素因数分解:

$2^3\times 5^1\times {\mathrm{1451}}^1\times {\mathrm{2789}}^1$

素因数の和:4251

約数の個数: 32

約数和(自身を含む): 364597200

約数和(自身を除く): 202723640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1451, 2789, 2902, 5578, 5804, 7255, 11156, 11608, 13945, 14510, 22312, 27890, 29020, 55780, 58040, 111560, 4046839, 8093678, 16187356, 20234195, 32374712, 40468390, 80936780, 161873560]

約数ペア:

[(1, 161873560), (2, 80936780), (4, 40468390), (5, 32374712), (8, 20234195), (10, 16187356), (20, 8093678), (40, 4046839), (1451, 111560), (2789, 58040), (2902, 55780), (5578, 29020), (5804, 27890), (7255, 22312), (11156, 14510), (11608, 13945)]