888970840

素因数分解:

$2^3\times 5^1\times {\mathrm{839}}^1\times {\mathrm{26489}}^1$

素因数の和:27339

約数の個数: 32

約数和(自身を含む): 2002644000

約数和(自身を除く): 1113673160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 839, 1678, 3356, 4195, 6712, 8390, 16780, 26489, 33560, 52978, 105956, 132445, 211912, 264890, 529780, 1059560, 22224271, 44448542, 88897084, 111121355, 177794168, 222242710, 444485420, 888970840]

約数ペア:

[(1, 888970840), (2, 444485420), (4, 222242710), (5, 177794168), (8, 111121355), (10, 88897084), (20, 44448542), (40, 22224271), (839, 1059560), (1678, 529780), (3356, 264890), (4195, 211912), (6712, 132445), (8390, 105956), (16780, 52978), (26489, 33560)]