7839820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5521}}^1$

素因数の和:5601

約数の個数: 24

約数和(自身を含む): 16698528

約数和(自身を除く): 8858708

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 5521, 11042, 22084, 27605, 55210, 110420, 391991, 783982, 1567964, 1959955, 3919910, 7839820]

約数ペア:

[(1, 7839820), (2, 3919910), (4, 1959955), (5, 1567964), (10, 783982), (20, 391991), (71, 110420), (142, 55210), (284, 27605), (355, 22084), (710, 11042), (1420, 5521)]