2005054940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{14321821}}^1$

素因数の和:14321837

約数の個数: 24

約数和(自身を含む): 4812132192

約数和(自身を除く): 2807077252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 14321821, 28643642, 57287284, 71609105, 100252747, 143218210, 200505494, 286436420, 401010988, 501263735, 1002527470, 2005054940]

約数ペア:

[(1, 2005054940), (2, 1002527470), (4, 501263735), (5, 401010988), (7, 286436420), (10, 200505494), (14, 143218210), (20, 100252747), (28, 71609105), (35, 57287284), (70, 28643642), (140, 14321821)]