2012131480

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{708497}}^1$

素因数の和:708579

約数の個数: 32

約数和(自身を含む): 4591067040

約数和(自身を除く): 2578935560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 708497, 1416994, 2833988, 3542485, 5667976, 7084970, 14169940, 28339880, 50303287, 100606574, 201213148, 251516435, 402426296, 503032870, 1006065740, 2012131480]

約数ペア:

[(1, 2012131480), (2, 1006065740), (4, 503032870), (5, 402426296), (8, 251516435), (10, 201213148), (20, 100606574), (40, 50303287), (71, 28339880), (142, 14169940), (284, 7084970), (355, 5667976), (568, 3542485), (710, 2833988), (1420, 1416994), (2840, 708497)]