427408840

素因数分解:

$2^3\times 5^1\times {\mathrm{673}}^1\times {\mathrm{15877}}^1$

素因数の和:16561

約数の個数: 32

約数和(自身を含む): 963159480

約数和(自身を除く): 535750640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 673, 1346, 2692, 3365, 5384, 6730, 13460, 15877, 26920, 31754, 63508, 79385, 127016, 158770, 317540, 635080, 10685221, 21370442, 42740884, 53426105, 85481768, 106852210, 213704420, 427408840]

約数ペア:

[(1, 427408840), (2, 213704420), (4, 106852210), (5, 85481768), (8, 53426105), (10, 42740884), (20, 21370442), (40, 10685221), (673, 635080), (1346, 317540), (2692, 158770), (3365, 127016), (5384, 79385), (6730, 63508), (13460, 31754), (15877, 26920)]