325701560

素因数分解:

$2^3\times 5^1\times {\mathrm{2011}}^1\times {\mathrm{4049}}^1$

素因数の和:6071

約数の個数: 32

約数和(自身を含む): 733374000

約数和(自身を除く): 407672440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2011, 4022, 4049, 8044, 8098, 10055, 16088, 16196, 20110, 20245, 32392, 40220, 40490, 80440, 80980, 161960, 8142539, 16285078, 32570156, 40712695, 65140312, 81425390, 162850780, 325701560]

約数ペア:

[(1, 325701560), (2, 162850780), (4, 81425390), (5, 65140312), (8, 40712695), (10, 32570156), (20, 16285078), (40, 8142539), (2011, 161960), (4022, 80980), (4049, 80440), (8044, 40490), (8098, 40220), (10055, 32392), (16088, 20245), (16196, 20110)]