38981720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{26339}}^1$

素因数の和:26387

約数の個数: 32

約数和(自身を含む): 90082800

約数和(自身を除く): 51101080

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 26339, 52678, 105356, 131695, 210712, 263390, 526780, 974543, 1053560, 1949086, 3898172, 4872715, 7796344, 9745430, 19490860, 38981720]

約数ペア:

[(1, 38981720), (2, 19490860), (4, 9745430), (5, 7796344), (8, 4872715), (10, 3898172), (20, 1949086), (37, 1053560), (40, 974543), (74, 526780), (148, 263390), (185, 210712), (296, 131695), (370, 105356), (740, 52678), (1480, 26339)]