64925240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{22861}}^1$

素因数の和:22943

約数の個数: 32

約数和(自身を含む): 148145760

約数和(自身を除く): 83220520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 22861, 45722, 91444, 114305, 182888, 228610, 457220, 914440, 1623131, 3246262, 6492524, 8115655, 12985048, 16231310, 32462620, 64925240]

約数ペア:

[(1, 64925240), (2, 32462620), (4, 16231310), (5, 12985048), (8, 8115655), (10, 6492524), (20, 3246262), (40, 1623131), (71, 914440), (142, 457220), (284, 228610), (355, 182888), (568, 114305), (710, 91444), (1420, 45722), (2840, 22861)]