2080206880

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{87257}}^1$

素因数の和:87421

約数の個数: 48

約数和(自身を含む): 4947528600

約数和(自身を除く): 2867321720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 596, 745, 1192, 1490, 2384, 2980, 4768, 5960, 11920, 23840, 87257, 174514, 349028, 436285, 698056, 872570, 1396112, 1745140, 2792224, 3490280, 6980560, 13001293, 13961120, 26002586, 52005172, 65006465, 104010344, 130012930, 208020688, 260025860, 416041376, 520051720, 1040103440, 2080206880]

約数ペア:

[(1, 2080206880), (2, 1040103440), (4, 520051720), (5, 416041376), (8, 260025860), (10, 208020688), (16, 130012930), (20, 104010344), (32, 65006465), (40, 52005172), (80, 26002586), (149, 13961120), (160, 13001293), (298, 6980560), (596, 3490280), (745, 2792224), (1192, 1745140), (1490, 1396112), (2384, 872570), (2980, 698056), (4768, 436285), (5960, 349028), (11920, 174514), (23840, 87257)]