2638360

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{929}}^1$

素因数の和:1011

約数の個数: 32

約数和(自身を含む): 6026400

約数和(自身を除く): 3388040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 929, 1420, 1858, 2840, 3716, 4645, 7432, 9290, 18580, 37160, 65959, 131918, 263836, 329795, 527672, 659590, 1319180, 2638360]

約数ペア:

[(1, 2638360), (2, 1319180), (4, 659590), (5, 527672), (8, 329795), (10, 263836), (20, 131918), (40, 65959), (71, 37160), (142, 18580), (284, 9290), (355, 7432), (568, 4645), (710, 3716), (929, 2840), (1420, 1858)]