6561820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4621}}^1$

素因数の和:4701

約数の個数: 24

約数和(自身を含む): 13976928

約数和(自身を除く): 7415108

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 4621, 9242, 18484, 23105, 46210, 92420, 328091, 656182, 1312364, 1640455, 3280910, 6561820]

約数ペア:

[(1, 6561820), (2, 3280910), (4, 1640455), (5, 1312364), (10, 656182), (20, 328091), (71, 92420), (142, 46210), (284, 23105), (355, 18484), (710, 9242), (1420, 4621)]