2005672100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{646991}}^1$

素因数の和:647036

約数の個数: 36

約数和(自身を含む): 4492712448

約数和(自身を除く): 2487040348

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 646991, 1293982, 2587964, 3234955, 6469910, 12939820, 16174775, 20056721, 32349550, 40113442, 64699100, 80226884, 100283605, 200567210, 401134420, 501418025, 1002836050, 2005672100]

約数ペア:

[(1, 2005672100), (2, 1002836050), (4, 501418025), (5, 401134420), (10, 200567210), (20, 100283605), (25, 80226884), (31, 64699100), (50, 40113442), (62, 32349550), (100, 20056721), (124, 16174775), (155, 12939820), (310, 6469910), (620, 3234955), (775, 2587964), (1550, 1293982), (3100, 646991)]