2013642320

素因数分解:

$2^4\times 5^1\times {\mathrm{3361}}^1\times {\mathrm{7489}}^1$

素因数の和:10863

約数の個数: 40

約数和(自身を含む): 4683736680

約数和(自身を除く): 2670094360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3361, 6722, 7489, 13444, 14978, 16805, 26888, 29956, 33610, 37445, 53776, 59912, 67220, 74890, 119824, 134440, 149780, 268880, 299560, 599120, 25170529, 50341058, 100682116, 125852645, 201364232, 251705290, 402728464, 503410580, 1006821160, 2013642320]

約数ペア:

[(1, 2013642320), (2, 1006821160), (4, 503410580), (5, 402728464), (8, 251705290), (10, 201364232), (16, 125852645), (20, 100682116), (40, 50341058), (80, 25170529), (3361, 599120), (6722, 299560), (7489, 268880), (13444, 149780), (14978, 134440), (16805, 119824), (26888, 74890), (29956, 67220), (33610, 59912), (37445, 53776)]