71029820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{50021}}^1$

素因数の和:50101

約数の個数: 24

約数和(自身を含む): 151266528

約数和(自身を除く): 80236708

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 50021, 100042, 200084, 250105, 500210, 1000420, 3551491, 7102982, 14205964, 17757455, 35514910, 71029820]

約数ペア:

[(1, 71029820), (2, 35514910), (4, 17757455), (5, 14205964), (10, 7102982), (20, 3551491), (71, 1000420), (142, 500210), (284, 250105), (355, 200084), (710, 100042), (1420, 50021)]