2681824780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1888609}}^1$

素因数の和:1888689

約数の個数: 24

約数和(自身を含む): 5711156640

約数和(自身を除く): 3029331860

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1888609, 3777218, 7554436, 9443045, 18886090, 37772180, 134091239, 268182478, 536364956, 670456195, 1340912390, 2681824780]

約数ペア:

[(1, 2681824780), (2, 1340912390), (4, 670456195), (5, 536364956), (10, 268182478), (20, 134091239), (71, 37772180), (142, 18886090), (284, 9443045), (355, 7554436), (710, 3777218), (1420, 1888609)]