1000840

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 2280960

約数和(自身を除く): 1280120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 191, 262, 382, 524, 655, 764, 955, 1048, 1310, 1528, 1910, 2620, 3820, 5240, 7640, 25021, 50042, 100084, 125105, 200168, 250210, 500420, 1000840]

約数ペア:

[(1, 1000840), (2, 500420), (4, 250210), (5, 200168), (8, 125105), (10, 100084), (20, 50042), (40, 25021), (131, 7640), (191, 5240), (262, 3820), (382, 2620), (524, 1910), (655, 1528), (764, 1310), (955, 1048)]