258059990

素因数分解:

$2^1\times 5^1\times {\mathrm{4019}}^1\times {\mathrm{6421}}^1$

素因数の和:10447

約数の個数: 16

約数和(自身を含む): 464695920

約数和(自身を除く): 206635930

約数列:

[1, 2, 5, 10, 4019, 6421, 8038, 12842, 20095, 32105, 40190, 64210, 25805999, 51611998, 129029995, 258059990]

約数ペア:

[(1, 258059990), (2, 129029995), (5, 51611998), (10, 25805999), (4019, 64210), (6421, 40190), (8038, 32105), (12842, 20095)]