1284940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1567}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 2765952

約数和(自身を除く): 1481012

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1567, 3134, 6268, 7835, 15670, 31340, 64247, 128494, 256988, 321235, 642470, 1284940]

約数ペア:

[(1, 1284940), (2, 642470), (4, 321235), (5, 256988), (10, 128494), (20, 64247), (41, 31340), (82, 15670), (164, 7835), (205, 6268), (410, 3134), (820, 1567)]