200973560

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{9871}}^1$

素因数の和:10391

約数の個数: 32

約数和(自身を含む): 453124800

約数和(自身を除く): 252151240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 4072, 5090, 9871, 10180, 19742, 20360, 39484, 49355, 78968, 98710, 197420, 394840, 5024339, 10048678, 20097356, 25121695, 40194712, 50243390, 100486780, 200973560]

約数ペア:

[(1, 200973560), (2, 100486780), (4, 50243390), (5, 40194712), (8, 25121695), (10, 20097356), (20, 10048678), (40, 5024339), (509, 394840), (1018, 197420), (2036, 98710), (2545, 78968), (4072, 49355), (5090, 39484), (9871, 20360), (10180, 19742)]