8845960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 21067200

約数和(自身を除く): 12221240

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 139, 148, 172, 185, 215, 278, 296, 344, 370, 430, 556, 695, 740, 860, 1112, 1390, 1480, 1591, 1720, 2780, 3182, 5143, 5560, 5977, 6364, 7955, 10286, 11954, 12728, 15910, 20572, 23908, 25715, 29885, 31820, 41144, 47816, 51430, 59770, 63640, 102860, 119540, 205720, 221149, 239080, 442298, 884596, 1105745, 1769192, 2211490, 4422980, 8845960]

約数ペア:

[(1, 8845960), (2, 4422980), (4, 2211490), (5, 1769192), (8, 1105745), (10, 884596), (20, 442298), (37, 239080), (40, 221149), (43, 205720), (74, 119540), (86, 102860), (139, 63640), (148, 59770), (172, 51430), (185, 47816), (215, 41144), (278, 31820), (296, 29885), (344, 25715), (370, 23908), (430, 20572), (556, 15910), (695, 12728), (740, 11954), (860, 10286), (1112, 7955), (1390, 6364), (1480, 5977), (1591, 5560), (1720, 5143), (2780, 3182)]